diff --git a/docker-compose.staging-build.yml b/docker-compose.staging-build.yml
index 4fc0d73..34301ec 100644
--- a/docker-compose.staging-build.yml
+++ b/docker-compose.staging-build.yml
@@ -9,7 +9,7 @@ services:
             context: .
             target: database
             args:
-              MONGO_VERSION: 4.4
+              - MONGO_VERSION=4.4
         networks:
             - docknet
         volumes: