diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 4dd22b8337b32048f57d5d82506b10303e16baff..a80e63162be2a44576c895b3882085833cf7c609 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -6,6 +6,7 @@ variables:
     -s .m2/ci_settings.xml --batch-mode
     -Dmaven.plugin.validation=brief
   DOCKER_HOST: tcp://docker:2375
+  DOCKER_TLS_CERTDIR: ""
   DOCKER_DRIVER: overlay2
 
 services: