diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 072d0269eecd2053a5cae710abe11114ffd73f3d..75c4e5590b4637eb83524b6d7cc039ce64ce485c 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -11,7 +11,7 @@ workflow:
       when: never
     - if: '$CI_COMMIT_BRANCH'
       variables:
-        TARGET_BRANCH: 2022
+        TARGET_BRANCH: '2022'
 
 check_style:
   script: