diff --git a/docker-compose-prod.yml b/docker-compose-prod.yml
index 1e23e855a..43ca16bda 100644
--- a/docker-compose-prod.yml
+++ b/docker-compose-prod.yml
@@ -56,7 +56,7 @@ services:
   cloudsql-proxy:
     container_name: cloudsql-proxy
     image: gcr.io/cloudsql-docker/gce-proxy:1.33.15
-    command: /cloud_sql_proxy --credentials-file /opt/secrets/cloudsqlcreds.json --dir=/cloudsql -instances=${GCLOUD_INSTANCE_CONNECTION_NAME}=tcp:0.0.0.0:5432
+    command: /cloud_sql_proxy -credential_file=/opt/secrets/cloudsqlcreds.json -dir=/cloudsql -instances=${GCLOUD_INSTANCE_CONNECTION_NAME}=tcp:0.0.0.0:5432
     ports:
       - 5432:5432
     environment: