diff --git a/plexpy/notification_handler.py b/plexpy/notification_handler.py
index 779bf32a..c4e1fc88 100644
--- a/plexpy/notification_handler.py
+++ b/plexpy/notification_handler.py
@@ -222,7 +222,7 @@ def notify_custom_conditions(notifier_id=None, parameters=None):
             values = condition['value']
 
             # Set blank conditions to None
-            if not values:
+            if not parameter or not operator or not values:
                 evaluated_conditions.append(None)
                 continue