diff --git a/roles/mailman/tasks/main.yml b/roles/mailman/tasks/main.yml
index 5dee7a4a6e..5a7d38b88e 100644
--- a/roles/mailman/tasks/main.yml
+++ b/roles/mailman/tasks/main.yml
@@ -153,7 +153,7 @@
   tags:
   - packages
   - mailman
-  when: env = 'staging'
+  when: env == 'staging'
 
 - name: setup the mailman3-fedmsg repo
   copy: src=mailman3-fedmsg-plugin.RedHat.repo