diff --git a/direct/src/showbase/ShowBase.py b/direct/src/showbase/ShowBase.py
index 7db064fbea..ee1a415cb3 100644
--- a/direct/src/showbase/ShowBase.py
+++ b/direct/src/showbase/ShowBase.py
@@ -3396,6 +3396,7 @@ class ShowBase(DirectObject.DirectObject):
     remove_camera_frustum = removeCameraFrustum
     save_cube_map = saveCubeMap
     save_sphere_map = saveSphereMap
+    user_exit = userExit
     start_wx = startWx
     start_tk = startTk
     start_direct = startDirect