diff --git a/erechnung-asu/docker-compose.yaml b/erechnung-asu/docker-compose.yaml
index 5a0515b..f639397 100644
--- a/erechnung-asu/docker-compose.yaml
+++ b/erechnung-asu/docker-compose.yaml
@@ -50,4 +50,4 @@ services:
       POSTGRES_USER: asu
       POSTGRES_DB: laravel
     healthcheck:
-      test: ["CMD-SHELL", "pg_isready -U $DB_USER"]
\ No newline at end of file
+      test: ["CMD-SHELL", "pg_isready -U asu"]
\ No newline at end of file