diff --git a/etg/app.py b/etg/app.py
index 5177f480..8e34ae87 100644
--- a/etg/app.py
+++ b/etg/app.py
@@ -212,6 +212,12 @@ def run():
         #endif
         """)
 
+    c.find('GTKAllowDiagnosticsControl').setCppCode("""\
+        #ifdef __WXGTK__
+            wxApp::GTKAllowDiagnosticsControl();
+        #endif
+        """)
+           
     c.find('GetGUIInstance').ignore()