diff --git a/editor/editor_spin_slider.cpp b/editor/editor_spin_slider.cpp
index ef34f13d459..2fd4f3d6e6b 100644
--- a/editor/editor_spin_slider.cpp
+++ b/editor/editor_spin_slider.cpp
@@ -443,6 +443,7 @@ void EditorSpinSlider::_notification(int p_what) {
 
 		case NOTIFICATION_WM_WINDOW_FOCUS_IN:
 		case NOTIFICATION_WM_WINDOW_FOCUS_OUT:
+		case NOTIFICATION_WM_CLOSE_REQUEST:
 		case NOTIFICATION_EXIT_TREE: {
 			if (grabbing_spinner) {
 				grabber->hide();