diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 4d12f91051d32f59720f81dc2cec04218b89c3ff..93bb11a21ecb6bddf2aecdf513830df34bb9930e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -17,11 +17,11 @@ stages:
     stage: opencl
     script:
       - if [ $CI_COMMIT_REF_NAME == "develop" ]; then
-          REV = "git";
+          REV="git";
         elif [ $CI_COMMIT_REF_NAME == "master" ]; then
-          REV = "latest";
+          REV="latest";
         else
-          REV = "$CI_COMMIT_REF_NAME";
+          REV="$CI_COMMIT_REF_NAME";
         fi
       - docker pull "${REPOSITORY}-nvidia:${REV}" || true
       - docker build --network=host --pull -t "${REPOSITORY}-nvidia:${REV}"