diff --git a/gtk2_ardour/editor_canvas.cc b/gtk2_ardour/editor_canvas.cc
index 79469d6710..24d3f6110b 100644
--- a/gtk2_ardour/editor_canvas.cc
+++ b/gtk2_ardour/editor_canvas.cc
@@ -884,7 +884,7 @@ Editor::track_canvas_key_press (GdkEventKey* event)
 {
 	/* XXX: event does not report the modifier key pressed down, AFAICS, so use the Keyboard object instead */
 	if (mouse_mode == Editing::MouseZoom && Keyboard::the_keyboard().key_is_down (GDK_Control_L)) {
-		set_canvas_cursor (_cursors->zoom_out);
+		set_canvas_cursor (_cursors->zoom_out, true);
 	}
 
 	return false;
@@ -894,7 +894,7 @@ bool
 Editor::track_canvas_key_release (GdkEventKey* event)
 {
 	if (mouse_mode == Editing::MouseZoom && !Keyboard::the_keyboard().key_is_down (GDK_Control_L)) {
-		set_canvas_cursor (_cursors->zoom_in);
+		set_canvas_cursor (_cursors->zoom_in, true);
 	}
 
 	return false;