diff --git a/prooph/service-bus-symfony-bundle/0.6/config/packages/prooph_service_bus.yaml b/prooph/service-bus-symfony-bundle/0.6/config/packages/prooph_service_bus.yaml
index ec36725e..faaa0df4 100644
--- a/prooph/service-bus-symfony-bundle/0.6/config/packages/prooph_service_bus.yaml
+++ b/prooph/service-bus-symfony-bundle/0.6/config/packages/prooph_service_bus.yaml
@@ -3,6 +3,8 @@ prooph_service_bus:
         default_command_bus: ~
     event_buses:
         default_event_bus: ~
+    query_buses:
+        default_query_bus: ~
 
 services:
     _defaults: