diff --git a/gtk2_ardour/ardour_ui.cc b/gtk2_ardour/ardour_ui.cc
index eb3945f398..41987aa98a 100644
--- a/gtk2_ardour/ardour_ui.cc
+++ b/gtk2_ardour/ardour_ui.cc
@@ -158,6 +158,7 @@ typedef uint64_t microseconds_t;
 #include "big_clock_window.h"
 #include "big_transport_window.h"
 #include "bundle_manager.h"
+#include "dsp_stats_window.h"
 #include "duplicate_routes_dialog.h"
 #include "debug.h"
 #include "engine_dialog.h"
diff --git a/gtk2_ardour/ardour_ui.h b/gtk2_ardour/ardour_ui.h
index 67dc29aa77..132868cfaf 100644
--- a/gtk2_ardour/ardour_ui.h
+++ b/gtk2_ardour/ardour_ui.h
@@ -724,7 +724,7 @@ private:
 	WM::Proxy<LuaScriptManager> lua_script_window;
 	WM::Proxy<IdleOMeter> idleometer;
 	WM::Proxy<PluginDSPLoadWindow> plugin_dsp_load_window;
-	WM::Proxy<PluginDSPLoadWindow> dsp_statistics_window;
+	WM::Proxy<DspStatisticsWindow> dsp_statistics_window;
 	WM::Proxy<TransportMastersWindow> transport_masters_window;
 
 	/* Windows/Dialogs that require a creator method */
diff --git a/gtk2_ardour/ardour_ui_dialogs.cc b/gtk2_ardour/ardour_ui_dialogs.cc
index fe33b1b403..f865086fba 100644
--- a/gtk2_ardour/ardour_ui_dialogs.cc
+++ b/gtk2_ardour/ardour_ui_dialogs.cc
@@ -55,6 +55,7 @@
 #include "big_clock_window.h"
 #include "big_transport_window.h"
 #include "bundle_manager.h"
+#include "dsp_stats_window.h"
 #include "global_port_matrix.h"
 #include "gui_object.h"
 #include "gui_thread.h"