diff --git a/core/lib/rules.py b/core/lib/rules.py
index 89fe394..f1dab3d 100644
--- a/core/lib/rules.py
+++ b/core/lib/rules.py
@@ -218,7 +218,7 @@ class NotificationRuleData(object):
     def format_matched(self, messages):
         matched = {}
         for message in messages:
-            for field, value in self.data:
+            for field, value in self.parsed.items():
                 if field == "msg":
                     # Allow partial matches for msg
                     for msg in value: