diff --git a/prod-upgrade/mongo/mongo.yaml b/prod-upgrade/mongo/mongo.yaml
index b807eac..be552bf 100644
--- a/prod-upgrade/mongo/mongo.yaml
+++ b/prod-upgrade/mongo/mongo.yaml
@@ -32,7 +32,7 @@ spec:
           command: 
             - mongod
           args:
-            - auth
+            - --auth
             - --bind_ip_all
             - --replSet bfs-mongo-rs0
           imagePullPolicy: IfNotPresent