diff --git a/filter_plugins/fedmsg.py b/filter_plugins/fedmsg.py
index 7808bffc65..bf0e4feef9 100644
--- a/filter_plugins/fedmsg.py
+++ b/filter_plugins/fedmsg.py
@@ -25,7 +25,7 @@ def invert_fedmsg_policy(groups, vars, env):
                 inverted[key] = inverted.get(key, [])
                 inverted[key].append(cert['service'] + '-' + fqdn)
 
-    result = inverted.items()
+    result = list(inverted.items())
     # Sort things so they come out in a reliable order (idempotence)
     [inverted[key].sort() for key in inverted]
     result.sort(key=operator.itemgetter(0))