diff --git a/cce/modules/project-manager-compose.yml b/cce/modules/project-manager-compose.yml
index c0e356f..6f5c516 100644
--- a/cce/modules/project-manager-compose.yml
+++ b/cce/modules/project-manager-compose.yml
@@ -33,6 +33,7 @@ services:
       OIDC_URL: "${PM_OIDC_PRIVATE_URL}"
       OIDC_CLIENT_ID: "${PM_OIDC_PRIVATE_CLIENT_ID}"
       OIDC_CLIENT_SECRET: "${PM_OIDC_PRIVATE_SECRET}"
+      EXPLORER_URL: "https://${HOST}"
 
     labels:
       - "traefik.enable=true"