diff --git a/deployments/staging/docker-compose.yaml b/deployments/staging/docker-compose.yaml
index 4e89603..e576e61 100644
--- a/deployments/staging/docker-compose.yaml
+++ b/deployments/staging/docker-compose.yaml
@@ -5,7 +5,7 @@ services:
     restart: unless-stopped
     labels:
       com.pena.domains: s.hbpn.link
-      com.pena.front_headers: "Access-Control-Allow-Origin $http_origin always"
+      com.pena.front_headers: "Access-Control-Allow-Origin $$http_origin always"
     image: $CI_REGISTRY_IMAGE/staging:$CI_COMMIT_REF_SLUG.$CI_PIPELINE_ID
     hostname: respondent
     tty: true