diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 870fbe38435b74cb693c322da43b63fbe44c69ee..4956b32b45ef489d00302d4718d0582b3e726259 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -34,7 +34,8 @@ code_style:
 
 deploy-to-swarm:
   stage: deploy
-  tags: thin_dind
+  tags: 
+    - thin_dind
   image: docker:latest
   variables:
     SERVICE_NAME: caosdb_stack