diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index a0b2037..ffd74a3 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -6,7 +6,7 @@ before_script:
 pages:
   script:
     - make all
-    - mkdir -p public/{css,js,img}
+    - mkdir -p public/css public/js public/img
     - cp index.html public/index.html
     - cp css/bulma.min.css public/css/bulma.min.css
     - cp js/index.js public/js/index.js