diff --git a/roles/mailman/files/fedmsg-plugin-conf.py b/roles/mailman/files/fedmsg-plugin-conf.py
index 2678376e09..3ee3567549 100644
--- a/roles/mailman/files/fedmsg-plugin-conf.py
+++ b/roles/mailman/files/fedmsg-plugin-conf.py
@@ -1,6 +1,6 @@
 config = {
     # These are mailing lists that we don't publish to fedmsg (because spam)
-    'mailman.excluded_lists' = [
+    'mailman.excluded_lists': [
         'scm-commits',
         #'i18n-bugs',# disable this eventually
         #'fonts-bugs', # disable this eventually