diff --git a/libs/ardour/ardour/midi_scene_change.h b/libs/ardour/ardour/midi_scene_change.h
index 1a27446367..f0b516cacf 100644
--- a/libs/ardour/ardour/midi_scene_change.h
+++ b/libs/ardour/ardour/midi_scene_change.h
@@ -51,6 +51,8 @@ class MIDISceneChange : public SceneChange
 	XMLNode& get_state();
 	int set_state (const XMLNode&, int version);
 
+        bool operator==(const MIDISceneChange& other) const;
+
   private:
 	int _bank;
 	int _program;
diff --git a/libs/ardour/midi_scene_change.cc b/libs/ardour/midi_scene_change.cc
index dae8acfc21..edcc8a658d 100644
--- a/libs/ardour/midi_scene_change.cc
+++ b/libs/ardour/midi_scene_change.cc
@@ -140,3 +140,11 @@ MIDISceneChange::set_state (const XMLNode& node, int /* version-ignored */)
 
 	return 0;
 }
+
+bool
+MIDISceneChange::operator==(const MIDISceneChange& other) const
+{
+        return _program == other._program &&
+                _bank == other._bank &&
+                _channel == other._channel;
+}