diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index a7ea19b..5f0e231 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -2,6 +2,7 @@ image: $CI_REGISTRY/$CI_PROJECT_NAMESPACE/hub/auto-deploy-image:latest
 
 variables:
   DOCKER_DRIVER: overlay2
+  DOCKER_TLS_CERTDIR: "/certs"
   TRAEFIK_VERSION: 1.7-alpine
   PORTAINER_VERSION: latest
   PSU_IMAGE: ${CI_REGISTRY_IMAGE}/builds