diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 78cf5825281c9ad20134634abc82c79d402de061..c49a2f1849b91333114ccf018883219953e0ef56 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -86,4 +86,5 @@ check-pipeline-status:
 full-dune-latest-release-gcc:
   extends: .default-trigger
   variables:
-    IMAGE: $IMAGE_REGISTRY_URL/${DUMUX_DOCKER_CI_BRANCH}_full:dune-$DUMUX_CI_DUNE_LATEST_RELEASE-gcc-ubuntu-22.04
+    IMAGE_NAME: "${DUMUX_DOCKER_CI_BRANCH}_full"
+    IMAGE: "$IMAGE_REGISTRY_URL/$IMAGE_NAME:dune-$DUMUX_CI_DUNE_LATEST_RELEASE-gcc-ubuntu-22.04"