diff --git a/modules/material_maker/editor/widgets/polygon_edit/polygon_edit.cpp b/modules/material_maker/editor/widgets/polygon_edit/polygon_edit.cpp
index 93db9ed6a..9a60adbcb 100644
--- a/modules/material_maker/editor/widgets/polygon_edit/polygon_edit.cpp
+++ b/modules/material_maker/editor/widgets/polygon_edit/polygon_edit.cpp
@@ -55,6 +55,12 @@ PolygonEdit::PolygonEdit() {
 PolygonEdit::~PolygonEdit() {
 }
 
+void PolygonEdit::_notification(int p_what) {
+	if (p_what == NOTIFICATION_POSTINITIALIZE) {
+		connect("pressed", this, "_on_PolygonEdit_pressed");
+	}
+}
+
 void PolygonEdit::_bind_methods() {
 	ADD_SIGNAL(MethodInfo("updated", PropertyInfo(Variant::OBJECT, "polygon", PROPERTY_HINT_RESOURCE_TYPE, "PolygonBase")));
 
diff --git a/modules/material_maker/editor/widgets/polygon_edit/polygon_edit.h b/modules/material_maker/editor/widgets/polygon_edit/polygon_edit.h
index 1bc63526b..f4e573f65 100644
--- a/modules/material_maker/editor/widgets/polygon_edit/polygon_edit.h
+++ b/modules/material_maker/editor/widgets/polygon_edit/polygon_edit.h
@@ -3,13 +3,13 @@
 
 #include "core/reference.h"
 
-#include "scene/gui/control.h"
+#include "scene/gui/button.h"
 
 class PolygonBase;
 class PolygonView;
 
-class PolygonEdit : public Control {
-	GDCLASS(PolygonEdit, Control);
+class PolygonEdit : public Button {
+	GDCLASS(PolygonEdit, Button);
 
 public:
 	bool get_closed() const;
@@ -25,6 +25,8 @@ public:
 	~PolygonEdit();
 
 protected:
+	void _notification(int p_what);
+
 	static void _bind_methods();
 
 	bool closed;