diff --git a/gtk2_ardour/ardour.desktop.in b/gtk2_ardour/ardour.desktop.in
index 1770bda8bf..faf28a78ca 100644
--- a/gtk2_ardour/ardour.desktop.in
+++ b/gtk2_ardour/ardour.desktop.in
@@ -8,3 +8,5 @@ MimeType=application/x-ardour;
 Type=Application
 Categories=AudioVideo;Audio;AudioEditing;X-Recorders;X-Multitrack;X-Jack;
 StartupWMClass=Ardour
+X-NSM-Capable=true
+X-NSM-Exec=@ARDOUR_EXEC@