diff --git a/dooit/ui/api/plug.py b/dooit/ui/api/plug.py
index a135e5dc..aa46094f 100644
--- a/dooit/ui/api/plug.py
+++ b/dooit/ui/api/plug.py
@@ -47,7 +47,7 @@ def _update_dooit_value(self, obj, *params):
 
     def on_event(self, event: DooitEvent):
         matched_events = [
-            e for e in self.events.keys() if issubclass(e, event.__class__)
+            e for e in self.events.keys() if issubclass(event.__class__, e)
         ]
 
         for e in matched_events: