diff --git a/boards/signals.py b/boards/signals.py
--- a/boards/signals.py
+++ b/boards/signals.py
@@ -42,7 +42,7 @@ def connect_global_replies(instance, **k
             referenced_post.last_edit_time = instance.pub_time
             referenced_post.build_refmap()
             referenced_post.save(update_fields=['refmap', 'last_edit_time'])
-        except (GlobalId.ObjectDoesNotExist, Post.ObjectDoesNotExist):
+        except (GlobalId.DoesNotExist, Post.DoesNotExist):
             pass