diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b61d5dd672f0a813611bbc7e95f48b5ac4be8424..dad7b9008c69442f5f3c2db20bd82268d474f0c1 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,6 +1,6 @@
 variables:
-  DOCKER_TLS_CERTDIR: ""
   DOCKER_HOST: "tcp://docker:2375"
+  DOCKER_TLS_CERTDIR: ""
 
 ci:
   stage: .pre
@@ -10,6 +10,7 @@ ci:
   services:
     - docker:19.03.1-dind
   script:
+    - docker --version
     - docker login --username $CI_REGISTRY_USER --password $CI_REGISTRY_PASSWORD $CI_REGISTRY
     - cd ci
     - docker build --tag $CI_REGISTRY_IMAGE .