diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 29f1a3956fab1d4bca6bc0a94818b68958fd67c0..276b7d7d75612b2871eb2868daca0ac4a5e5e992 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -142,22 +142,22 @@ test:
           if echo "$F_BRANCH" | grep -c "^f-" ; then
             CAOSDB_TAG=${DEPLOY_REF}_F_${F_BRANCH}-latest;
             echo "Load deploy images with tag $CAOSDB_TAG ..."
-            if ! docker pull $CI_REGISTRY/caosdb/src/caosdb-deploy:$CAOSDB_TAG ; then
-              echo "Load deploy images with tag $CAOSDB_TAG ... error. Try another:" ;
+            if ! docker pull ${CI_REGISTRY}/caosdb/src/caosdb-deploy:${CAOSDB_TAG} ; then
+              echo "Load deploy images with tag $CAOSDB_TAG ... error. Try another" ;
               CAOSDB_TAG=${DEPLOY_REF}-latest ;
               echo "Load deploy images with tag $CAOSDB_TAG ..."
-              docker pull $CI_REGISTRY/caosdb/src/caosdb-deploy:$CAOSDB_TAG ;
+              docker pull ${CI_REGISTRY}/caosdb/src/caosdb-deploy:${CAOSDB_TAG} ;
               echo "Load deploy images with tag $CAOSDB_TAG ... success"
             fi ;
           else
             CAOSDB_TAG=${DEPLOY_REF}-latest ;
             echo "Load deploy images with tag $CAOSDB_TAG ..."
-            docker pull $CI_REGISTRY/caosdb/src/caosdb-deploy:$CAOSDB_TAG ;
+            docker pull ${CI_REGISTRY}/caosdb/src/caosdb-deploy:${CAOSDB_TAG} ;
             echo "Load deploy images with tag $CAOSDB_TAG ... success"
           fi;
         else
           echo "Load deploy images with tag $CAOSDB_TAG ..."
-          docker pull $CI_REGISTRY/caosdb/src/caosdb-deploy:$CAOSDB_TAG ;
+          docker pull ${CI_REGISTRY}/caosdb/src/caosdb-deploy:${CAOSDB_TAG} ;
           echo "Load deploy images with tag $CAOSDB_TAG ... success"
         fi