diff --git a/gtk2_ardour/ardour.desktop.in b/gtk2_ardour/ardour.desktop.in
index cbd7a5341f..1770bda8bf 100644
--- a/gtk2_ardour/ardour.desktop.in
+++ b/gtk2_ardour/ardour.desktop.in
@@ -7,3 +7,4 @@ Terminal=false
 MimeType=application/x-ardour;
 Type=Application
 Categories=AudioVideo;Audio;AudioEditing;X-Recorders;X-Multitrack;X-Jack;
+StartupWMClass=Ardour