diff --git a/scene/gui/tree.cpp b/scene/gui/tree.cpp
index 84c6911f5f8..ce2f0fed806 100644
--- a/scene/gui/tree.cpp
+++ b/scene/gui/tree.cpp
@@ -4048,12 +4048,7 @@ void Tree::gui_input(const Ref<InputEvent> &p_event) {
 						int icon_size_x = 0;
 						Ref<Texture2D> icon = get_selected()->get_icon(selected_col);
 						if (icon.is_valid()) {
-							Rect2i icon_region = get_selected()->get_icon_region(selected_col);
-							if (icon_region == Rect2i()) {
-								icon_size_x = icon->get_width();
-							} else {
-								icon_size_x = icon_region.size.width;
-							}
+							icon_size_x = _get_cell_icon_size(get_selected()->cells[selected_col]).x;
 						}
 						// Icon is treated as if it is outside of the rect so that double clicking on it will emit the `item_icon_double_clicked` signal.
 						if (rtl) {