2 files changed, 2 insertions, 1 deletions
diff --git a/gtk2_ardour/ardour_ui.cc b/gtk2_ardour/ardour_ui.cc
index 4902968db8..e3c446ecc2 100644
--- a/gtk2_ardour/ardour_ui.cc
+++ b/gtk2_ardour/ardour_ui.cc
@@ -101,6 +101,7 @@ typedef uint64_t microseconds_t;
 #include "missing_plugin_dialog.h"
 #include "mixer_ui.h"
 #include "mouse_cursors.h"
+#include "nsm.h"
 #include "opts.h"
 #include "pingback.h"
 #include "processor_box.h"
diff --git a/gtk2_ardour/ardour_ui.h b/gtk2_ardour/ardour_ui.h
index ff324fd6f9..20edfe03eb 100644
--- a/gtk2_ardour/ardour_ui.h
+++ b/gtk2_ardour/ardour_ui.h
@@ -72,7 +72,6 @@
 #include "ardour_window.h"
 #include "editing.h"
 #include "meterbridge.h"
-#include "nsm.h"
 #include "ui_config.h"
 #include "enums.h"
 #include "visibility_group.h"
@@ -105,6 +104,7 @@ class SpeakerDialog;
 class ThemeManager;
 class TimeInfoBox;
 class MidiTracer;
+class NSM_Client;
 class LevelMeterHBox;
 class GlobalPortMatrixWindow;
 class GUIObjectState;