diff --git a/.deploy-infra/deploy-prod.yaml b/.deploy-infra/deploy-prod.yaml
index bcf5631..1b729d1 100755
--- a/.deploy-infra/deploy-prod.yaml
+++ b/.deploy-infra/deploy-prod.yaml
@@ -43,6 +43,7 @@ services:
       ZITADEL_DATABASE_POSTGRES_ADMIN_PASSWORD: $DB_PASSWORD_PROD
       ZITADEL_DATABASE_POSTGRES_ADMIN_SSL_MODE: disable
       ZITADEL_EXTERNALSECURE: "false"
+      ZITADEL_EXTERNALDOMAIN: zitadel.chocomarsh.com
     deploy:
       mode: replicated
       replicas: 1