diff --git a/prod-upgrade/mongo/mongo.yaml b/prod-upgrade/mongo/mongo.yaml
index c0e7f96..458a284 100644
--- a/prod-upgrade/mongo/mongo.yaml
+++ b/prod-upgrade/mongo/mongo.yaml
@@ -32,7 +32,7 @@ spec:
           args:
             - "--auth"
             - "--bind_ip_all"
-            - "--replSet bfs-mongo-rs0"
+            - "--replSet=bfs-mongo-rs0"
           imagePullPolicy: IfNotPresent
           env:
             - name: MONGO_INITDB_ROOT_USERNAME