diff --git a/templates/gitlab-ci-docker-compose.yml b/templates/gitlab-ci-docker-compose.yml
index a981fabeeb68099c11bb654d5a807d89870b571a..5f16cdcd477759e4ac4b7789c0b28052e7b9d02e 100644
--- a/templates/gitlab-ci-docker-compose.yml
+++ b/templates/gitlab-ci-docker-compose.yml
@@ -46,7 +46,7 @@ spec:
       default: ''
     stack-config-silent:
       description: Silences standard output of `stack config` command
-      default: "true"
+      default: true
       type: boolean
     config-disabled:
       description: Disable Compose Config