diff --git a/postgres/docker-compose.yml b/postgres/docker-compose.yml
index 1ef45e7..04022f0 100644
--- a/postgres/docker-compose.yml
+++ b/postgres/docker-compose.yml
@@ -22,7 +22,7 @@ services:
     ports:
       - "5431:5432"
     healthcheck:
-      test: ["CMD-SHELL", "pg_isready -U ${SHARED_DB_USER}"]
+      test: ["CMD-SHELL", "pg_isready -U postgres"]
       interval: 10s
       timeout: 5s
       retries: 5