diff --git a/dart/default.py b/dart/default.py
index 0e77ce507c54be80fd1dab2257996c7886ebad23..3a03df5626170c58ef3be646579d518954072a69 100644
--- a/dart/default.py
+++ b/dart/default.py
@@ -190,8 +190,7 @@ def morpher(msh, dim, mov, fxd = ['upstream', 'farfield', 'downstream'], fld = '
         name of physical tag contaning the symmetry plane (y)
     """
     args = parseargs()
-    mshDef = tbox.MshDeform(msh, dim)
-    mshDef.nthreads = args.k
+    mshDef = tbox.MshDeform(msh, dim, nthrds=args.k)
     mshDef.setField(fld)
     mshDef.addFixed(fxd)
     mshDef.addMoving(mov)
diff --git a/dart/src/wSolver.cpp b/dart/src/wSolver.cpp
index cb6db1691685d1bbe1b5bcad0fbe061c1c394795..7f69f841eb1f6c7357f6c3ef3a2c0f2be733ec97 100644
--- a/dart/src/wSolver.cpp
+++ b/dart/src/wSolver.cpp
@@ -103,7 +103,7 @@ Solver::Solver(std::shared_ptr<Problem> _pbl,
               << "Number of nodes: " << pbl->msh->nodes.size() << "\n"
               << "Number of elements: " << pbl->msh->elems.size() << "\n";
     std::cout << "--- Physical groups ---\n"
-              << "Fluid on: " << *pbl->fluid->tag << "\n";
+              << "Fluid on " << *pbl->fluid->tag << "\n";
     for (auto bnd : pbl->fBCs)
         std::cout << "Freestream on " << *bnd->tag << "\n";
     for (auto bnd : pbl->dBCs)