diff --git a/scene/gui/tree.cpp b/scene/gui/tree.cpp
index 7d6ca962083..d3c802878ac 100644
--- a/scene/gui/tree.cpp
+++ b/scene/gui/tree.cpp
@@ -2024,7 +2024,7 @@ int Tree::get_item_height(TreeItem *p_item) const {
 	return height;
 }
 
-void Tree::draw_item_rect(TreeItem::Cell &p_cell, const Rect2i &p_rect, const Color &p_color, const Color &p_icon_color, int p_ol_size, const Color &p_ol_color) {
+void Tree::draw_item_rect(const TreeItem::Cell &p_cell, const Rect2i &p_rect, const Color &p_color, const Color &p_icon_color, int p_ol_size, const Color &p_ol_color) const {
 	ERR_FAIL_COND(theme_cache.font.is_null());
 
 	Rect2i rect = p_rect.grow_individual(-theme_cache.inner_item_margin_left, -theme_cache.inner_item_margin_top, -theme_cache.inner_item_margin_right, -theme_cache.inner_item_margin_bottom);
@@ -2470,7 +2470,7 @@ int Tree::draw_item(const Point2i &p_pos, const Point2 &p_draw_ofs, const Size2
 
 			switch (p_item->cells[i].mode) {
 				case TreeItem::CELL_MODE_STRING: {
-					draw_item_rect(p_item->cells.write[i], item_rect, cell_color, icon_col, outline_size, font_outline_color);
+					draw_item_rect(p_item->cells[i], item_rect, cell_color, icon_col, outline_size, font_outline_color);
 				} break;
 				case TreeItem::CELL_MODE_CHECK: {
 					Point2i check_ofs = item_rect.position;
@@ -2505,7 +2505,7 @@ int Tree::draw_item(const Point2i &p_pos, const Point2 &p_draw_ofs, const Size2
 						cell_color = theme_cache.font_disabled_color;
 					}
 
-					draw_item_rect(p_item->cells.write[i], item_rect, cell_color, icon_col, outline_size, font_outline_color);
+					draw_item_rect(p_item->cells[i], item_rect, cell_color, icon_col, outline_size, font_outline_color);
 
 				} break;
 				case TreeItem::CELL_MODE_RANGE: {
@@ -2588,7 +2588,7 @@ int Tree::draw_item(const Point2i &p_pos, const Point2 &p_draw_ofs, const Size2
 					}
 
 					if (!p_item->cells[i].editable) {
-						draw_item_rect(p_item->cells.write[i], item_rect, cell_color, icon_col, outline_size, font_outline_color);
+						draw_item_rect(p_item->cells[i], item_rect, cell_color, icon_col, outline_size, font_outline_color);
 						break;
 					}
 
@@ -2616,7 +2616,7 @@ int Tree::draw_item(const Point2i &p_pos, const Point2 &p_draw_ofs, const Size2
 						ir.position += theme_cache.custom_button->get_offset();
 					}
 
-					draw_item_rect(p_item->cells.write[i], ir, cell_color, icon_col, outline_size, font_outline_color);
+					draw_item_rect(p_item->cells[i], ir, cell_color, icon_col, outline_size, font_outline_color);
 
 					downarrow->draw(ci, arrow_pos);
 
diff --git a/scene/gui/tree.h b/scene/gui/tree.h
index 6361c612ba0..7e41f39261a 100644
--- a/scene/gui/tree.h
+++ b/scene/gui/tree.h
@@ -552,7 +552,7 @@ private:
 	void update_column(int p_col);
 	void update_item_cell(TreeItem *p_item, int p_col) const;
 	void update_item_cache(TreeItem *p_item) const;
-	void draw_item_rect(TreeItem::Cell &p_cell, const Rect2i &p_rect, const Color &p_color, const Color &p_icon_color, int p_ol_size, const Color &p_ol_color);
+	void draw_item_rect(const TreeItem::Cell &p_cell, const Rect2i &p_rect, const Color &p_color, const Color &p_icon_color, int p_ol_size, const Color &p_ol_color) const;
 	int draw_item(const Point2i &p_pos, const Point2 &p_draw_ofs, const Size2 &p_draw_size, TreeItem *p_item, int &r_self_height);
 	void select_single_item(TreeItem *p_selected, TreeItem *p_current, int p_col, TreeItem *p_prev = nullptr, bool *r_in_range = nullptr, bool p_force_deselect = false);
 	int propagate_mouse_event(const Point2i &p_pos, int x_ofs, int y_ofs, int x_limit, bool p_double_click, TreeItem *p_item, MouseButton p_button, const Ref<InputEventWithModifiers> &p_mod);