diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index fc9a63162f92f2ca630410ad6ef22576e6979fa9..30ea306e1f26623a3209521a8d8bd72f0db1d1e4 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -22,11 +22,11 @@ before_script:
     - make -C ${CI_JOB_NAME}
     - '[ "$CI_COMMIT_REF_NAME" != master ] || make -C ${CI_JOB_NAME} push'
 
-7:
+'7':
   <<: *build_job
 
-6:
+'6':
   <<: *build_job
 
-6-i386:
+'6-i386':
   <<: *build_job