diff --git a/roles/mbs/common/templates/mbs-fedmsg.py b/roles/mbs/common/templates/mbs-fedmsg.py
index 709fd2cb98..7a3823d48b 100644
--- a/roles/mbs/common/templates/mbs-fedmsg.py
+++ b/roles/mbs/common/templates/mbs-fedmsg.py
@@ -1,4 +1,4 @@
 config = {
     # So that the MBS can find it's cert in /etc/fedmsg.d/ssl.py
-    'name': 'mbs',
+    'cert_prefix': 'mbs',
 }