diff --git a/fwk/wutils.py b/fwk/wutils.py
index b914d2eb6facce8ef53d623f903856664a414f20..7383760e039175632233e22865f031ed9e298f96 100644
--- a/fwk/wutils.py
+++ b/fwk/wutils.py
@@ -126,8 +126,8 @@ def findbins(modname, dirB=['build','wavesB'], verb=False): # changer wavesB en
 
 def initDLL():
     # For new versions of python, DLLs must be loaded via a specific command
-    import platform, os
-    if 'Windows' in platform.uname():
+    import platform, os, sys
+    if 'Windows' in platform.uname() and sys.version_info.minor >= 8:
         lookfor = ['tbb', 'mkl', 'vtk']
         for k in lookfor:
             for v in os.environ['path'].split(';'):