diff --git a/etg/_core.py b/etg/_core.py
index 874962ef..4e461775 100644
--- a/etg/_core.py
+++ b/etg/_core.py
@@ -434,6 +434,7 @@ def run():
         """)
     # Here is the function it calls
     module.includeCppCode('src/core_ex.cpp')
+    module.addItem(etgtools.WigCode("void _wxPyCleanup();"))
     
 
     #-----------------------------------------------------------------