diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 7d9b521f8f28074abc172616263726047ec910dc..8ef12ef3f6677ef02cd4912d40f863e0491bf2bf 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -33,7 +33,7 @@ build:
       - build/
       - node_modules/
     expire_in:
-      - '1h20min'
+      - 1h20min
   tags:
     - database
     - build