diff --git a/docker-compose.yml b/docker-compose.yml
index 0ab5318..fbfff0f 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -29,10 +29,11 @@ services:
     networks:
       - expertisa-twonodes-postgresql
     volumes:
-      - pgdata-${BRANCH}:/var/lib/postgresql/data
+      - pgdata:/var/lib/postgresql/data
 
 volumes:
-  pgdata-${BRANCH}:
+  pgdata:
+    name: pgdata-${BRANCH}
 
 networks:
   expertisa-twonodes-postgresql: