diff --git a/nglib/netgen.py b/nglib/netgen.py
index 759ebb2d..85062e3b 100644
--- a/nglib/netgen.py
+++ b/nglib/netgen.py
@@ -1,3 +1,4 @@
+import sys
 try:
     # Linux
     from libmesh import meshing
@@ -7,3 +8,8 @@ except:
     # Windows
     from nglib import *
 
+sys.modules['netgen.meshing'] = meshing
+sys.modules['netgen.geom2d'] = geom2d
+sys.modules['netgen.csg'] = csg
+del sys
+