diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 8c424d70686104b08c01180914728bea17da6a6f..de2500ba062a290612c00fbf6e3fbd422bcbe5b9 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -16,5 +16,5 @@ build-docker:
         tag=":$CI_COMMIT_REF_SLUG"
       fi
       echo "Running on branch '$CI_COMMIT_BRANCH': tag = $tag"
-    - docker build --pull -t "$CI_REGISTRY_IMAGE${tag}" docker/Dockerfile .
+    - docker build --pull -t "$CI_REGISTRY_IMAGE${tag}" -f docker/Dockerfile .
     - docker push "$CI_REGISTRY_IMAGE${tag}"