diff --git a/roles/gitlab/templates/docker-compose.yml b/roles/gitlab/templates/docker-compose.yml
index 022649b..62c02eb 100644
--- a/roles/gitlab/templates/docker-compose.yml
+++ b/roles/gitlab/templates/docker-compose.yml
@@ -38,7 +38,7 @@ services:
 
         # CSP config
         gitlab_rails['content_security_policy'] = {
-            enabled: {{ gitlab_csp.enabled | default(true) }},
+            enabled: {{ gitlab_csp.enabled | default(true) | bool | lower }},
             report_only: false,
             directives: {
               default_src: "'self' {{ gitlab_csp.default_src | default("") }}",