diff --git a/docker-compose.yml b/docker-compose.yml
index 31d6547..bc806fe 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -2,7 +2,7 @@ dbdata:
   image: andreagrandi/postgresql:9.3
   volumes:
     - /var/lib/postgresql
-  command: true
+  command: /bin/true
 
 db:
   image: andreagrandi/postgresql:9.3