diff --git a/infra/docker-compose.yml b/infra/docker-compose.yml
index 9f60585..16aa99a 100644
--- a/infra/docker-compose.yml
+++ b/infra/docker-compose.yml
@@ -74,7 +74,7 @@ services:
       # SQL files here run once on first init (ignored if data volume already exists).
       - ./postgres-init:/docker-entrypoint-initdb.d:ro
     healthcheck:
-      test: ["CMD-SHELL", "pg_isready -U $$POSTGRES_USER -d $$POSTGRES_DB"]
+      test: ["CMD-SHELL", "pg_isready -U hiy_admin -d hiy"]
       interval: 5s
       timeout: 5s
       retries: 10