diff --git a/gtk2_ardour/editor_drag.cc b/gtk2_ardour/editor_drag.cc
index 4052ef6084..3b58962c43 100644
--- a/gtk2_ardour/editor_drag.cc
+++ b/gtk2_ardour/editor_drag.cc
@@ -319,6 +319,9 @@ Drag::move_threshold () const
 	x *= UIConfiguration::instance().get_drag_sensitivity ();
 	y *= UIConfiguration::instance().get_drag_sensitivity ();
 
+	x *= UIConfiguration::instance().get_ui_scale ();
+	y *= UIConfiguration::instance().get_ui_scale ();
+
 	return std::make_pair (x, y);
 }