diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index a7d8fd1..4983d41 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -5,7 +5,8 @@ stages:
 create_tags:
   image: python:3
   stage: deadlines
-  only: master
+  only:
+    - master
 
   tags:
     - abgabesystem