diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index c4e477b..3a4c370 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -19,6 +19,9 @@ docker-build:
   stage: build
   services:
     - docker:dind
+  variables:
+    DOCKER_TLS_CERTDIR: ""
+
   before_script:
     - docker login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD" $CI_REGISTRY
   # Default branch leaves tag empty (= latest tag)