diff --git a/tautulli/tools/webhooks/base.py b/tautulli/tools/webhooks/base.py
index 917a4d8..3f4003b 100644
--- a/tautulli/tools/webhooks/base.py
+++ b/tautulli/tools/webhooks/base.py
@@ -54,7 +54,7 @@ def __init__(self, /, **data):
     @property
     def trigger(self) -> Union[TautulliWebhookTrigger, None]:
         if not self._trigger:
-            self._trigger = self.determine_trigger()
+            self._trigger = self._determine_trigger()
 
         return self._trigger