diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index ca5e36995f1fa7ca60679d3eea4dc2ab75d49d14..9a089c5e3e77fe61591899184ff655db5abdc0e7 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -17,7 +17,7 @@ docker-build:
   services:
     - docker:dind
   before_script:
-    - docker login registry.bht-berlin.de:443 -u "s78371" -p "jpn2tz9WYxuG_kJdZjy5"
+    - sudo docker login registry.bht-berlin.de:443 -u "s78371" -p "jpn2tz9WYxuG_kJdZjy5"
   # Default branch leaves tag empty (= latest tag)
   # All other branches are tagged with the escaped branch name (commit ref slug)
   script: