diff --git a/blast/_src/blastw.h b/blast/_src/blastw.h
index 3d5c1f2144c919cb64f716aa53c72244eae8e4bb..ff4c9d12bf3ccbb26f40acc047f7b1e0e92e7c4f 100644
--- a/blast/_src/blastw.h
+++ b/blast/_src/blastw.h
@@ -14,6 +14,6 @@
  * limitations under the License.
  */
 
-#include "DBoundaryLayer.h"
-#include "DCoupledAdjoint.h"
-#include "DDriver.h"
\ No newline at end of file
+#include "blBoundaryLayer.h"
+#include "blCoupledAdjoint.h"
+#include "blDriver.h"
diff --git a/blast/_src/blastw.i b/blast/_src/blastw.i
index 21a5c329a50c332fc799cd30c29d2b03e6bf2eaf..45c10f90891a67c12606f945a0aea891bcf0c035 100644
--- a/blast/_src/blastw.i
+++ b/blast/_src/blastw.i
@@ -26,7 +26,7 @@ threads="1"
 %{
 
 #include "blast.h"
-#include "DBoundaryLayer.h"
+#include "blBoundaryLayer.h"
 
 #include "fwkw.h"
 #include "tboxw.h"
@@ -44,7 +44,7 @@ threads="1"
 %include "blast.h"
 
 %shared_ptr(blast::BoundaryLayer);
-%include "DBoundaryLayer.h"
+%include "blBoundaryLayer.h"
 
 %shared_ptr(blast::Driver);
 %immutable blast::Driver::Re; // read-only variable (no setter)
@@ -56,9 +56,9 @@ threads="1"
 %immutable blast::Driver::Cdp_sec;
 %immutable blast::Driver::CFL0;
 %immutable blast::Driver::verbose;
-%include "DDriver.h"
+%include "blDriver.h"
 
 %shared_ptr(blast::CoupledAdjoint);
 %immutable blast::CoupledAdjoint::tdCl_AoA;
 %immutable blast::CoupledAdjoint::tdCd_AoA;
-%include "DCoupledAdjoint.h"
+%include "blCoupledAdjoint.h"
diff --git a/blast/api/blaster_api.py b/blast/api/blaster_api.py
index 85fb54c968510dac49d7dd057eaf79396cc6c853..ef1d3bca7b18d54ec1cb9c2d7f0fa1a4e30b4784 100644
--- a/blast/api/blaster_api.py
+++ b/blast/api/blaster_api.py
@@ -54,13 +54,13 @@ def init_blaster(cfg, icfg, iSolverName='DART', task='analysis'):
     @todo: - Correctly handle 3D computation parameters.
     """
     # Imports
-    from blast.coupler import Coupler
+    from blast.blCoupler import Coupler
     import blast
 
     if iSolverName not in AVAILABLE_SOLVERS:
         raise RuntimeError('BLASTERAPI: Invalid inviscid solver name', iSolverName)
     elif iSolverName == 'DART':
-        from blast.interfaces.dart.DartInterface import DartInterface as interface
+        from blast.interfaces.dart.blDartInterface import DartInterface as interface
 
     # Viscous solver
     if 'Re' not in cfg or cfg['Re'] <= 0.:
diff --git a/blast/api/mda_api.py b/blast/api/mda_api.py
index 6918badec5cb70d3bda498e102b197543c28bbf7..b69947c1856711356dbbd6198c5e076c2b816a15 100644
--- a/blast/api/mda_api.py
+++ b/blast/api/mda_api.py
@@ -23,7 +23,7 @@ import numpy as np
 from fwk.coloring import ccolors
 import openmdao.api as om
 import blast
-import blast.utils as vutils
+import blast.blUtils as vutils
 from pygeo import DVGeometryCST
 from scipy.optimize import least_squares
 import fwk
@@ -57,7 +57,7 @@ class BlasterSolver(om.ExplicitComponent):
         self.tms = fwk.Timers()
 
         if iSolverName == 'DART':
-            from blast.interfaces.dart.DartInterface import DartInterface as interface
+            from blast.interfaces.dart.blDartInterface import DartInterface as interface
         else:
             raise RuntimeError('Solver '+iSolverName+' currently not implemented')
 
@@ -69,7 +69,7 @@ class BlasterSolver(om.ExplicitComponent):
         self.isol = interface(icfg, self.vsol, cfg)
 
         # Coupler
-        import blast.coupler as blastCoupler
+        import blast.blCoupler as blastCoupler
         self.coupler = blastCoupler.Coupler(self.isol, self.vsol, _maxCouplIter=cfg['couplIter'], _couplTol=cfg['couplTol'], _iterPrint=cfg['iterPrint'], _resetInv=cfg['resetInv'])
 
         # Adjoint
diff --git a/blast/coupler.py b/blast/blCoupler.py
similarity index 99%
rename from blast/coupler.py
rename to blast/blCoupler.py
index de1c0369c89aed1f3ba4ed26b1cb585c5cf62329..491c185013e0abec879e7eae465eee222c205f74 100644
--- a/blast/coupler.py
+++ b/blast/blCoupler.py
@@ -22,7 +22,7 @@ import fwk
 from fwk.coloring import ccolors
 import math
 import numpy as np
-import blast.utils as vutils
+import blast.blUtils as vutils
 
 class Coupler:
     def __init__(self, iSolverAPI, vSolver, _maxCouplIter=150, _couplTol=1e-4, _iterPrint=1, _resetInv=False, sfx=''):
diff --git a/blast/utils.py b/blast/blUtils.py
similarity index 98%
rename from blast/utils.py
rename to blast/blUtils.py
index c7e36d6dbf6c01c9c9ab7dd9b6942c1f75030c72..2ff8b0ebfa6460cd8365adbb5643e28d000c6c55 100644
--- a/blast/utils.py
+++ b/blast/blUtils.py
@@ -79,14 +79,14 @@ def initBlast(iconfig, vconfig, iSolver='DART'):
 
     # Inviscid solver
     if iSolver == 'DART':
-        from blast.interfaces.dart.DartInterface import DartInterface as interface
+        from blast.interfaces.dart.blDartInterface import DartInterface as interface
     else:
         print(ccolors.ANSI_RED + 'Solver '+iSolver+' currently not implemented' + ccolors.ANSI_RESET)
         raise RuntimeError
     iSolverAPI = interface(iconfig, vSolver, vconfig)
 
     # Coupler
-    import blast.coupler as blastCoupler
+    import blast.blCoupler as blastCoupler
     coupler = blastCoupler.Coupler(iSolverAPI, vSolver, _maxCouplIter=vconfig['couplIter'], _couplTol=vconfig['couplTol'], _iterPrint=vconfig['iterPrint'], _resetInv=vconfig['resetInv'], sfx=vconfig['sfx'])
     return coupler, iSolverAPI, vSolver
 
diff --git a/blast/interfaces/DDataStructure.py b/blast/interfaces/blDataStructure.py
similarity index 100%
rename from blast/interfaces/DDataStructure.py
rename to blast/interfaces/blDataStructure.py
diff --git a/blast/interfaces/DSolversInterface.py b/blast/interfaces/blSolversInterface.py
similarity index 98%
rename from blast/interfaces/DSolversInterface.py
rename to blast/interfaces/blSolversInterface.py
index 2e2e5e15a3b8c7e1645bf363d3da452bf2b92354..05e23dde69032394225ad42e634ab246a2736c23 100644
--- a/blast/interfaces/DSolversInterface.py
+++ b/blast/interfaces/blSolversInterface.py
@@ -2,7 +2,7 @@ import numpy as np
 import blast
 import fwk
 import tbox
-from blast.interfaces.DDataStructure import Group
+from blast.interfaces.blDataStructure import Group
 
 class SolversInterface:
     """
@@ -53,7 +53,7 @@ class SolversInterface:
         # Initialize interpolator and meshes
         self.getWing()
         if self.cfg['interpolator'] == 'Matching':
-            from blast.interfaces.interpolators.DMatchingInterpolator import MatchingInterpolator as interp
+            from blast.interfaces.interpolators.blMatchingInterpolator import MatchingInterpolator as interp
             # Initialize viscous structures for matching computations
             for iSec in range(len(self.vBnd)):
                 for iReg, reg in enumerate(self.vBnd[iSec]):
@@ -64,7 +64,7 @@ class SolversInterface:
                     self.vBnd[iSec][iReg].connectListElems = self.iBnd[iReg].connectListElems.copy()
 
         elif self.cfg['interpolator'] == 'Rbf':
-            from blast.interfaces.interpolators.DRbfInterpolator import RbfInterpolator as interp
+            from blast.interfaces.interpolators.blRbfInterpolator import RbfInterpolator as interp
             print('Initializing RBF interpolator.')
             self.getVWing()
         else:
diff --git a/blast/interfaces/dart/DartInterface.py b/blast/interfaces/dart/blDartInterface.py
similarity index 99%
rename from blast/interfaces/dart/DartInterface.py
rename to blast/interfaces/dart/blDartInterface.py
index 76406349bf22b0a053f8a24685c17068398e7536..49eac1ab388f4755b432ce99c4866eb7c95c0c98 100644
--- a/blast/interfaces/dart/DartInterface.py
+++ b/blast/interfaces/dart/blDartInterface.py
@@ -22,7 +22,7 @@
 import numpy as np
 
 from fwk.coloring import ccolors
-from blast.interfaces.DSolversInterface import SolversInterface
+from blast.interfaces.blSolversInterface import SolversInterface
 
 class DartInterface(SolversInterface):
     """Interface to the Dart solver.
diff --git a/blast/interfaces/interpolators/DMatchingInterpolator.py b/blast/interfaces/interpolators/blMatchingInterpolator.py
similarity index 100%
rename from blast/interfaces/interpolators/DMatchingInterpolator.py
rename to blast/interfaces/interpolators/blMatchingInterpolator.py
diff --git a/blast/interfaces/interpolators/DRbfInterpolator.py b/blast/interfaces/interpolators/blRbfInterpolator.py
similarity index 100%
rename from blast/interfaces/interpolators/DRbfInterpolator.py
rename to blast/interfaces/interpolators/blRbfInterpolator.py
diff --git a/blast/interfaces/su2/SU2Interface.py b/blast/interfaces/su2/blSU2Interface.py
similarity index 99%
rename from blast/interfaces/su2/SU2Interface.py
rename to blast/interfaces/su2/blSU2Interface.py
index b0c06cbb5353f0f112995e65bf2ccc584e9e7bca..fa07bf42e9844b553c2bb6b170422e5e47445f60 100644
--- a/blast/interfaces/su2/SU2Interface.py
+++ b/blast/interfaces/su2/blSU2Interface.py
@@ -20,7 +20,7 @@
 # Paul Dechamps
 import numpy as np
 
-from blast.interfaces.DSolversInterface import SolversInterface
+from blast.interfaces.blSolversInterface import SolversInterface
 
 class SU2Interface(SolversInterface):
     def __init__(self, fileName, vSolver, cfg):
diff --git a/blast/src/DBoundaryLayer.cpp b/blast/src/blBoundaryLayer.cpp
similarity index 99%
rename from blast/src/DBoundaryLayer.cpp
rename to blast/src/blBoundaryLayer.cpp
index d61d8c611789a10b34308466349b6fb8a28c4d4f..006c643cd49b00693a2851d04c19b3bb1a07237e 100644
--- a/blast/src/DBoundaryLayer.cpp
+++ b/blast/src/blBoundaryLayer.cpp
@@ -1,5 +1,5 @@
-#include "DBoundaryLayer.h"
-#include "DClosures.h"
+#include "blBoundaryLayer.h"
+#include "blClosures.h"
 #include <cmath>
 #include <iomanip>
 #include <iostream>
diff --git a/blast/src/DBoundaryLayer.h b/blast/src/blBoundaryLayer.h
similarity index 98%
rename from blast/src/DBoundaryLayer.h
rename to blast/src/blBoundaryLayer.h
index f8046be2c1e09a6bf18a036852feaf60e2ea47aa..185af55072ff2dbdb604d00ff83bcd0a11d8ecd1 100644
--- a/blast/src/DBoundaryLayer.h
+++ b/blast/src/blBoundaryLayer.h
@@ -1,7 +1,7 @@
-#ifndef DBOUNDARYLAYER_H
-#define DBOUNDARYLAYER_H
+#ifndef BLBOUNDARYLAYER_H
+#define BLBOUNDARYLAYER_H
 
-#include "DClosures.h"
+#include "blClosures.h"
 #include "blast.h"
 #include "wObject.h"
 
@@ -155,4 +155,4 @@ public:
     std::vector<std::vector<double>> evalGradwrtY();
 };
 } // namespace blast
-#endif // DBOUNDARYLAYER_H
+#endif // BLBOUNDARYLAYER_H
diff --git a/blast/src/DClosures.cpp b/blast/src/blClosures.cpp
similarity index 99%
rename from blast/src/DClosures.cpp
rename to blast/src/blClosures.cpp
index 6e608589fa3ce0a3d31899bf6b87eee92818ad70..ab2a9fdbf0ad4d510f85da983a5bb35d7da9f581 100644
--- a/blast/src/DClosures.cpp
+++ b/blast/src/blClosures.cpp
@@ -1,4 +1,4 @@
-#include "DClosures.h"
+#include "blClosures.h"
 #include <cmath>
 #include <iostream>
 
diff --git a/blast/src/DClosures.h b/blast/src/blClosures.h
similarity index 92%
rename from blast/src/DClosures.h
rename to blast/src/blClosures.h
index f5ffe557dd4b3eae504646fd58b355f6fe2eefa9..42d48ecfcc1d61bf3267c3240ca156294b360a7a 100644
--- a/blast/src/DClosures.h
+++ b/blast/src/blClosures.h
@@ -1,5 +1,5 @@
-#ifndef DCLOSURES_H
-#define DCLOSURES_H
+#ifndef BLCLOSURES_H
+#define BLCLOSURES_H
 
 #include "blast.h"
 #include <string>
@@ -27,4 +27,4 @@ public:
                                   const std::string name);
 };
 } // namespace blast
-#endif // DCLOSURES_H
+#endif // BLCLOSURES_H
diff --git a/blast/src/DCoupledAdjoint.cpp b/blast/src/blCoupledAdjoint.cpp
similarity index 99%
rename from blast/src/DCoupledAdjoint.cpp
rename to blast/src/blCoupledAdjoint.cpp
index bdf2f5715fd020a195323f50e3c439d61cf7f004..16adf2b9b4a7ca7f9955b03a6ae5a78d1b71e70e 100644
--- a/blast/src/DCoupledAdjoint.cpp
+++ b/blast/src/blCoupledAdjoint.cpp
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#include "DCoupledAdjoint.h"
-#include "DDriver.h"
+#include "blCoupledAdjoint.h"
+#include "blDriver.h"
 #include "wAdjoint.h"
 #include "wBlowing.h"
 #include "wBlowingResidual.h"
diff --git a/blast/src/DCoupledAdjoint.h b/blast/src/blCoupledAdjoint.h
similarity index 99%
rename from blast/src/DCoupledAdjoint.h
rename to blast/src/blCoupledAdjoint.h
index 3087e12d881179ffeb3c50ef6235e7fc99689106..220a0f4a0ca5d2a2c378c4c0aad1dfff5dfdaef0 100644
--- a/blast/src/DCoupledAdjoint.h
+++ b/blast/src/blCoupledAdjoint.h
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef DCOUPLEDADJOINT_H
-#define DCOUPLEDADJOINT_H
+#ifndef BLCOUPLEDADJOINT_H
+#define BLCOUPLEDADJOINT_H
 
 #include "blast.h"
 #include "dart.h"
@@ -250,4 +250,4 @@ private:
                            const std::string &filename);
 };
 } // namespace blast
-#endif // DDARTADJOINT
+#endif // BLCOUPLEDADJOINT_H
diff --git a/blast/src/DDriver.cpp b/blast/src/blDriver.cpp
similarity index 99%
rename from blast/src/DDriver.cpp
rename to blast/src/blDriver.cpp
index 8a0787c4411c9b480d2e5416ae11eb4d35f147f0..b2bd2cac43262467d4120c1a781a42cfc55fa378 100644
--- a/blast/src/DDriver.cpp
+++ b/blast/src/blDriver.cpp
@@ -1,6 +1,6 @@
-#include "DDriver.h"
-#include "DBoundaryLayer.h"
-#include "DSolver.h"
+#include "blDriver.h"
+#include "blBoundaryLayer.h"
+#include "blSolver.h"
 #include <iomanip>
 
 #define ANSI_COLOR_RED "\x1b[1;31m"
diff --git a/blast/src/DDriver.h b/blast/src/blDriver.h
similarity index 96%
rename from blast/src/DDriver.h
rename to blast/src/blDriver.h
index 07287d4587d0e8cdf6454d68ad09a5b40ae10a7d..b02f037c9dfa9b846f74bc115227c33c8bce874b 100644
--- a/blast/src/DDriver.h
+++ b/blast/src/blDriver.h
@@ -1,7 +1,7 @@
-#ifndef DDRIVER_H
-#define DDRIVER_H
+#ifndef BLDRIVER_H
+#define BLDRIVER_H
 
-#include "DBoundaryLayer.h"
+#include "blBoundaryLayer.h"
 #include "blast.h"
 #include "wObject.h"
 #include "wTimers.h"
@@ -69,4 +69,4 @@ private:
     int outputStatus(double maxMach) const;
 };
 } // namespace blast
-#endif // DDRIVER_H
+#endif // BLDRIVER_H
diff --git a/blast/src/DFluxes.cpp b/blast/src/blFluxes.cpp
similarity index 99%
rename from blast/src/DFluxes.cpp
rename to blast/src/blFluxes.cpp
index 73e89db8542c20ecbe4376ed4ab103ee3cf88b78..41c731b86f7f1544190a50e9611b9956d5e885de 100644
--- a/blast/src/DFluxes.cpp
+++ b/blast/src/blFluxes.cpp
@@ -1,5 +1,5 @@
-#include "DFluxes.h"
-#include "DBoundaryLayer.h"
+#include "blFluxes.h"
+#include "blBoundaryLayer.h"
 #include <Eigen/Dense>
 
 using namespace blast;
@@ -357,4 +357,4 @@ double Fluxes::amplificationRoutine(double Hk, double Ret, double theta) const
         }
     }
     return ax;
-}
\ No newline at end of file
+}
diff --git a/blast/src/DFluxes.h b/blast/src/blFluxes.h
similarity index 89%
rename from blast/src/DFluxes.h
rename to blast/src/blFluxes.h
index ef2f15f157bd7b024cb5138b595a9c736bf2fa57..452251e2d32df3692626484cb73c58458f52767d 100644
--- a/blast/src/DFluxes.h
+++ b/blast/src/blFluxes.h
@@ -1,7 +1,7 @@
-#ifndef DFLUXES_H
-#define DFLUXES_H
+#ifndef BLFLUXES_H
+#define BLFLUXES_H
 
-#include "DBoundaryLayer.h"
+#include "blBoundaryLayer.h"
 #include "blast.h"
 #include <Eigen/Dense>
 
@@ -31,4 +31,4 @@ private:
     double amplificationRoutine(double Hk, double Ret, double theta) const;
 };
 } // namespace blast
-#endif // DFLUXES_H
+#endif // BLFLUXES_H
diff --git a/blast/src/DSolver.cpp b/blast/src/blSolver.cpp
similarity index 98%
rename from blast/src/DSolver.cpp
rename to blast/src/blSolver.cpp
index 75fe55c4d55e2fe8de01120c7a1aa2cfe79ad2ce..f34e7981cf56ec50778577ce7bebce8f3999ea1f 100644
--- a/blast/src/DSolver.cpp
+++ b/blast/src/blSolver.cpp
@@ -1,6 +1,6 @@
-#include "DSolver.h"
-#include "DBoundaryLayer.h"
-#include "DFluxes.h"
+#include "blSolver.h"
+#include "blBoundaryLayer.h"
+#include "blFluxes.h"
 #include <Eigen/Dense>
 #include <iostream>
 
@@ -239,4 +239,4 @@ void Solver::setCFL0(double _CFL0)
         CFL0 = _CFL0;
     else
         throw std::runtime_error("Negative CFL numbers are not allowed.\n");
-}
\ No newline at end of file
+}
diff --git a/blast/src/DSolver.h b/blast/src/blSolver.h
similarity index 95%
rename from blast/src/DSolver.h
rename to blast/src/blSolver.h
index 89c4b4175fb1ddff24e7e7886dc9c20dd132ae63..1572f35ff2b2f6b9f4b7348b6e438ae790ece4b6 100644
--- a/blast/src/DSolver.h
+++ b/blast/src/blSolver.h
@@ -1,7 +1,7 @@
-#ifndef DSOLVER_H
-#define DSOLVER_H
+#ifndef BLSOLVER_H
+#define BLSOLVER_H
 
-#include "DFluxes.h"
+#include "blFluxes.h"
 #include "blast.h"
 
 namespace blast
@@ -52,4 +52,4 @@ private:
                        bool usePrevPoint = false);
 };
 } // namespace blast
-#endif // DSOLVER_H
+#endif // BLSOLVER_H
diff --git a/blast/tests/dart/adjoint_2D.py b/blast/tests/dart/adjoint_2D.py
index 604019ff6534e7bd5f28c544d43c4c9cc5a22adc..d942f7b97a0ad0c09b55116773c3d63bb890d7c7 100644
--- a/blast/tests/dart/adjoint_2D.py
+++ b/blast/tests/dart/adjoint_2D.py
@@ -22,7 +22,7 @@
 
 # Imports.
 
-import blast.utils as vutils
+import blast.blUtils as vutils
 import blast
 import numpy as np
 
diff --git a/blast/tests/dart/naca0012_2D.py b/blast/tests/dart/naca0012_2D.py
index b04f5e4e64b1631be2efc66e32694a92503c9176..5af9aa57f1f198a5ae9a30172fc9fa70b46275a0 100644
--- a/blast/tests/dart/naca0012_2D.py
+++ b/blast/tests/dart/naca0012_2D.py
@@ -34,7 +34,7 @@
 
 # Imports.
 
-import blast.utils as vutils
+import blast.blUtils as vutils
 import numpy as np
 
 from fwk.wutils import parseargs
diff --git a/blast/tests/dart/rae2822_3D.py b/blast/tests/dart/rae2822_3D.py
index 40e3d06e6839da9f53318d35604fb96a6ae238c2..ab792d4b531c35853fd0662dd403abbb14866fe9 100644
--- a/blast/tests/dart/rae2822_3D.py
+++ b/blast/tests/dart/rae2822_3D.py
@@ -24,7 +24,7 @@
 
 # Imports.
 
-import blast.utils as vutils
+import blast.blUtils as vutils
 import numpy as np
 import os.path
 
diff --git a/blast/validation/agard_3D.py b/blast/validation/agard_3D.py
index 02b1855921fabd0c658ece0add9c2957f7018b06..7e60cc8341d64b16bc495868b32afccd8d4f377d 100644
--- a/blast/validation/agard_3D.py
+++ b/blast/validation/agard_3D.py
@@ -22,7 +22,7 @@
 
 # Imports.
 
-import blast.utils as vutils
+import blast.blUtils as vutils
 import numpy as np
 import os.path
 
diff --git a/blast/validation/highlift_2D.py b/blast/validation/highlift_2D.py
index 71003c779cbf0d4b200db46ce03e7a8933f7f8d1..4ceacb1d261da5636c5adf17c78b3ed1dc4999c5 100644
--- a/blast/validation/highlift_2D.py
+++ b/blast/validation/highlift_2D.py
@@ -21,7 +21,7 @@
 
 # Imports.
 
-import blast.utils as vutils
+import blast.blUtils as vutils
 import numpy as np
 
 from fwk.wutils import parseargs
diff --git a/blast/validation/lann_3D.py b/blast/validation/lann_3D.py
index f1bd808ac437dbd565fef82eb6c8e12beed818c5..53002533d52011ffac9c507eacd5506da44af428 100644
--- a/blast/validation/lann_3D.py
+++ b/blast/validation/lann_3D.py
@@ -22,7 +22,7 @@
 
 # Imports.
 
-import blast.utils as vutils
+import blast.blUtils as vutils
 import numpy as np
 import os.path
 
diff --git a/blast/validation/oneraM6_3D.py b/blast/validation/oneraM6_3D.py
index 8e2924f579ce260d84092da494c3f18177a3fbbc..9bdff1224567d85229703ceb7e8d75298eab0337 100644
--- a/blast/validation/oneraM6_3D.py
+++ b/blast/validation/oneraM6_3D.py
@@ -22,7 +22,7 @@
 
 # Imports.
 
-import blast.utils as vutils
+import blast.blUtils as vutils
 import numpy as np
 import os.path
 
diff --git a/blast/validation/rae2822_2D.py b/blast/validation/rae2822_2D.py
index dfc077b11d0811347b61df507d7967c094a551a9..e812ca6ac4393cee6f0cc2138dcf9c43ba1ce405 100644
--- a/blast/validation/rae2822_2D.py
+++ b/blast/validation/rae2822_2D.py
@@ -26,7 +26,7 @@
 
 # Imports.
 
-import blast.utils as vutils
+import blast.blUtils as vutils
 import numpy as np
 
 from fwk.wutils import parseargs