diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 85036bc0c611670f0c720eb3f757563265d05d76..b5dd29a02ffdbd828286b5dd305c984dc988deb2 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -70,15 +70,15 @@ trigger_build:
 # Build a docker image in which tests for this repository can run
 build-testenv:
   tags: [ docker ]
-    image: docker:latest
-    stage: setup
-    script: 
-        - cd test/docker
-        - docker login -u testuser -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
-          # use here general latest or specific branch latest...
-        - docker pull $CI_REGISTRY_IMAGE:latest || true
-        - docker build 
-          --pull
-          --cache-from $CI_REGISTRY_IMAGE:latest 
-          -t $CI_REGISTRY_IMAGE:latest .
-        - docker push $CI_REGISTRY_IMAGE:latest
+  image: docker:latest
+  stage: setup
+  script: 
+    - cd test/docker
+    - docker login -u testuser -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
+      # use here general latest or specific branch latest...
+    - docker pull $CI_REGISTRY_IMAGE:latest || true
+    - docker build 
+      --pull
+      --cache-from $CI_REGISTRY_IMAGE:latest 
+      -t $CI_REGISTRY_IMAGE:latest .
+    - docker push $CI_REGISTRY_IMAGE:latest