diff --git a/docker-compose.yml b/docker-compose.yml
index 4256e7be..27ac988c 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -39,7 +39,7 @@ services:
       - "POSTGRES_PASSWORD=upsnap"
       - "POSTGRES_DB=upsnap"
     healthcheck:
-      test: pg_isready -U $POSTGRES_USER
+      test: pg_isready -U upsnap
       interval: 10s
     volumes:
       - upsnap_db:/var/lib/postgresql/data