diff --git a/gtk2_ardour/editor_mouse.cc b/gtk2_ardour/editor_mouse.cc
index 75919b66a7..8b5d4f49d8 100644
--- a/gtk2_ardour/editor_mouse.cc
+++ b/gtk2_ardour/editor_mouse.cc
@@ -1244,7 +1244,7 @@ Editor::button_press_handler_1 (ArdourCanvas::Item* item, GdkEvent* event, ItemT
 		break;
 
 	case MouseZoom:
-		if (entered_track && (event->type == GDK_BUTTON_PRESS)) {
+		if ((entered_track || entered_regionview) && (event->type == GDK_BUTTON_PRESS)) {
 			_drags->set (new MouseZoomDrag (this, item), event);
 		}