diff --git a/docker-compose.yml b/docker-compose.yml
index 472979df48..0ac4ecfb5b 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -66,6 +66,7 @@ services:
     environment:
       POSTGRES_USER: "postgres"
       POSTGRES_PASSWORD: "postgres"
+      PGDATA: '/var/lib/postgresql/data/pgdata'
     volumes:
       - "db-data:/var/lib/postgresql/data"
       - "./healthchecks:/healthchecks"