diff --git a/synapse/appservice/scheduler.py b/synapse/appservice/scheduler.py
index b1029d59da..7979647f22 100644
--- a/synapse/appservice/scheduler.py
+++ b/synapse/appservice/scheduler.py
@@ -142,7 +142,7 @@ class ApplicationServiceScheduler:
 
         # Ignore events that come from our own users. We probably already know about
         # them and sent them ourself.
-        events = [event for event in events if self._hs.is_mine_id(event.sender)]
+        events = [event for event in events if not self._hs.is_mine_id(event.sender)]
 
         # We purposefully allow this method to run with empty events/ephemeral
         # collections, so that callers do not need to check iterable size themselves.