diff --git a/infrastructure/zitadel/vad/zitadel.yaml b/infrastructure/zitadel/vad/zitadel.yaml
index 2974ae6..307ad6b 100644
--- a/infrastructure/zitadel/vad/zitadel.yaml
+++ b/infrastructure/zitadel/vad/zitadel.yaml
@@ -141,7 +141,7 @@ spec:
       - name: ZITADEL_DATABASE_POSTGRES_ADMIN_EXISTINGDATABASE
         value: "zitadel"
       - name: ZITADEL_DATABASE_POSTGRES_ADMIN_USERNAME
-        value: "postgres"
+        value: "zitadel"
       - name: ZITADEL_DATABASE_POSTGRES_DATABASE
         value: "zitadel"
       - name: ZITADEL_DATABASE_POSTGRES_USER_SSL_MODE