diff --git a/conf/lister.yml b/conf/lister.yml
--- a/conf/lister.yml
+++ b/conf/lister.yml
@@ -11,7 +11,7 @@
 lister:
   cls: local
   args:
-    db: postgresql:///?service=swh-listers
+    db: postgresql://postgres@swh-listers-db/swh-listers
 
 celery:
   task_broker: amqp://guest:guest@amqp//
diff --git a/conf/loader.yml b/conf/loader.yml
--- a/conf/loader.yml
+++ b/conf/loader.yml
@@ -26,4 +26,4 @@
     - swh.loader.svn.tasks.MountAndLoadSvnRepository
     - swh.loader.tar.tasks.LoadTarRepository
 
-lister_db_url: postgresql:///?service=swh
+lister_db_url: postgresql://postgres@swh-listers-db/swh-listers