diff --git a/libs/surfaces/mackie/mackie_control_protocol.cc b/libs/surfaces/mackie/mackie_control_protocol.cc
index 83a2536fc2..da156e2620 100644
--- a/libs/surfaces/mackie/mackie_control_protocol.cc
+++ b/libs/surfaces/mackie/mackie_control_protocol.cc
@@ -2380,6 +2380,12 @@ MackieControlProtocol::is_trigger_track (std::shared_ptr<Stripable> r) const
 	return (trk && (r)->presentation_info ().trigger_track ());
 }
 
+bool
+MackieControlProtocol::is_bus (std::shared_ptr<Stripable> r) const
+{
+	return ((r)->presentation_info ().flags () & PresentationInfo::Bus);
+}
+
 bool
 MackieControlProtocol::is_foldback_bus (std::shared_ptr<Stripable> r) const
 {
diff --git a/libs/surfaces/mackie/mackie_control_protocol.h b/libs/surfaces/mackie/mackie_control_protocol.h
index 362e02902e..779d28441b 100644
--- a/libs/surfaces/mackie/mackie_control_protocol.h
+++ b/libs/surfaces/mackie/mackie_control_protocol.h
@@ -132,6 +132,7 @@ class MackieControlProtocol
 	bool is_audio_track (std::shared_ptr<ARDOUR::Stripable>) const;
 	bool is_midi_track (std::shared_ptr<ARDOUR::Stripable>) const;
 	bool is_trigger_track (std::shared_ptr<ARDOUR::Stripable>) const;
+	bool is_bus (std::shared_ptr<ARDOUR::Stripable>) const;
 	bool is_foldback_bus (std::shared_ptr<ARDOUR::Stripable>) const;
 	bool is_vca (std::shared_ptr<ARDOUR::Stripable>) const;
 	bool has_instrument (std::shared_ptr<ARDOUR::Stripable>) const;