diff --git a/gtk2_ardour/ardour_dialog.cc b/gtk2_ardour/ardour_dialog.cc
index 152a93a8e0..273d37fcea 100644
--- a/gtk2_ardour/ardour_dialog.cc
+++ b/gtk2_ardour/ardour_dialog.cc
@@ -57,6 +57,8 @@ ArdourDialog::ArdourDialog (Gtk::Window& parent, const string& title, bool modal
 {
 	init ();
 	set_position (Gtk::WIN_POS_CENTER_ON_PARENT);
+	set_transient_for (parent);
+
 }
 
 ArdourDialog::~ArdourDialog ()