diff --git a/evennia/contrib/slow_exit.py b/evennia/contrib/slow_exit.py
index 0a1097ed4..f8216c4d9 100644
--- a/evennia/contrib/slow_exit.py
+++ b/evennia/contrib/slow_exit.py
@@ -135,7 +135,7 @@ class CmdStop(Command):
         stored deferred from the exit traversal above.
         """
         currently_moving = self.caller.ndb.currently_moving
-        if currently_moving:
+        if currently_moving and not currently_moving.called:
             currently_moving.cancel()
             self.caller.msg("You stop moving.")
             for observer in self.caller.location.contents_get(self.caller):