diff --git a/pyth_observer/dispatch.py b/pyth_observer/dispatch.py
index 0f12d4f..7038362 100644
--- a/pyth_observer/dispatch.py
+++ b/pyth_observer/dispatch.py
@@ -173,7 +173,7 @@ async def process_zenduty_events(self, current_time):
         to_alert = []
 
         for identifier, info in self.open_alerts.items():
-            self.check_zd_alert_status(self, identifier, current_time)
+            self.check_zd_alert_status(identifier, current_time)
             # Resolve the alert if raised and failed < 5 times in the last 5m window
             if (
                 info["sent"]