diff --git a/docker-compose.yml b/docker-compose.yml
index 16e2a9cfd961d8398837ad58895fe7a324dbf4a0..f349dad597fec5e7e8572fae86536c8ed858704a 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -18,6 +18,7 @@ services:
     ports:
       - "5432:5432"
     volumes:
-      - ./postgresql:/var/lib/postgresql
+      - ./pgdata:/var/lib/postgresql/data/pgdata
     environment:
       POSTGRES_USER: postgres
+      PGDATA: /var/lib/postgresql/data/pgdata
diff --git a/docker-compose_build.yml b/docker-compose_build.yml
index a554fa6ca460b2e6c75259e81a37f5da0d5011ee..53c3ab56a1fa3650d02779560182e1e3ee69c24f 100644
--- a/docker-compose_build.yml
+++ b/docker-compose_build.yml
@@ -19,6 +19,7 @@ services:
     ports:
       - "5432:5432"
     volumes:
-      - ./postgresql:/var/lib/postgresql
+      - ./pgdata:/var/lib/postgresql/data/pgdata
     environment:
       POSTGRES_USER: postgres
+      PGDATA: /var/lib/postgresql/data/pgdata