diff --git a/functions/notify_teams.py b/functions/notify_teams.py
index 85b153f4..4b07be45 100644
--- a/functions/notify_teams.py
+++ b/functions/notify_teams.py
@@ -92,5 +92,5 @@ def is_cloudwatch_alarm(message):
             return True
         else:
             return False
-    except ValueError as e:
+    except KeyError as e:
         return False