diff --git a/carla_ros_bridge/src/carla_ros_bridge/bridge.py b/carla_ros_bridge/src/carla_ros_bridge/bridge.py
index 9e34f499d..1055256b6 100755
--- a/carla_ros_bridge/src/carla_ros_bridge/bridge.py
+++ b/carla_ros_bridge/src/carla_ros_bridge/bridge.py
@@ -185,7 +185,7 @@ def destroy_object(self, req, response=None):
                 self._registered_actors.remove(actor)
         return response
 
-    def get_blueprints(self, req):
+    def get_blueprints(self, req, response=None):
         response = roscomp.get_service_response(GetBlueprints)
         if req.filter:
             bp_filter = req.filter