diff --git a/src/dbus.js b/src/dbus.js
index b2c6bb1f..620a751f 100644
--- a/src/dbus.js
+++ b/src/dbus.js
@@ -17,6 +17,7 @@ const ShellProxyWrapper = Gio.DBusProxy.makeProxyWrapper(`
 
 let shellProxy = null;
 
+debug('initializing GNOME Shell DBus proxy');
 new ShellProxyWrapper(
     Gio.DBus.session,
     'org.gnome.Shell',