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-rw-r--r--synapse/handlers/directory.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/handlers/directory.py b/synapse/handlers/directory.py
index c745e6740b..18741c5fac 100644
--- a/synapse/handlers/directory.py
+++ b/synapse/handlers/directory.py
@@ -333,7 +333,7 @@ class DirectoryHandler(BaseHandler):
     def _user_can_delete_alias(self, alias, user_id):
         creator = yield self.store.get_room_alias_creator(alias.to_string())
 
-        if creator == user_id:
+        if creator is not None and creator == user_id:
             defer.returnValue(True)
 
         is_admin = yield self.auth.is_server_admin(UserID.from_string(user_id))