diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 953f66de520363c6dd0da6b77764d2fec98ca073..31ffb58581c7dbe6ff9f370cf978bb1aef399c33 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -38,7 +38,7 @@ run-tests:
       alias: localhost
   script:
     - docker run -p 27017:27017
-      --detached
+      --detach
       --name mongo-container
       --rm
       --network=host