diff --git a/libs/surfaces/launch_control_xl/interface.cc b/libs/surfaces/launch_control_xl/interface.cc
index 95f3825bb2..7b21609fa9 100644
--- a/libs/surfaces/launch_control_xl/interface.cc
+++ b/libs/surfaces/launch_control_xl/interface.cc
@@ -73,6 +73,12 @@ probe_launch_control_xl (ControlProtocolDescriptor*)
 	return LaunchControlXL::probe();
 }
 
+static void*
+lcxl_request_buffer_factory (uint32_t num_requests)
+{
+	return LaunchControlXL::request_factory (num_requests);
+}
+
 static ControlProtocolDescriptor launch_control_xl_descriptor = {
 	/*name :              */   "Novation Launch Control XL",
 	/*id :                */   "uri://ardour.org/surfaces/launch_control_xl:0",
@@ -87,6 +93,7 @@ static ControlProtocolDescriptor launch_control_xl_descriptor = {
 	/*probe :             */   probe_launch_control_xl,
 	/*initialize :        */   new_launch_control_xl,
 	/*destroy :           */   delete_launch_control_xl,
+	/*request_buffer_factory */ lcxl_request_buffer_factory
 };
 
 extern "C" ARDOURSURFACE_API ControlProtocolDescriptor* protocol_descriptor () { return &launch_control_xl_descriptor; }