diff --git a/src/app_ex.cpp b/src/app_ex.cpp
index 1854cb3d..fd8de354 100644
--- a/src/app_ex.cpp
+++ b/src/app_ex.cpp
@@ -272,15 +272,15 @@ int wxPyApp::MainLoop()
 #endif
         DeletePendingObjects();
     }
-    //bool initialized = wxTopLevelWindows.GetCount() != 0;
-    //if (initialized) {
+    bool initialized = wxTopLevelWindows.GetCount() != 0;
+    if (initialized) {
         if ( m_exitOnFrameDelete == Later ) {
             m_exitOnFrameDelete = Yes;
         }
 
         retval = wxApp::MainLoop();
         OnExit();
-    //}
+    }
     return retval;
 }