diff --git a/include/core/Rect2.hpp b/include/core/Rect2.hpp
index 792972d..7668548 100644
--- a/include/core/Rect2.hpp
+++ b/include/core/Rect2.hpp
@@ -14,7 +14,7 @@ class String;
 typedef Vector2 Size2;
 typedef Vector2 Point2;
 
-class Transform2D;
+struct Transform2D;
 
 struct Rect2 {
 
diff --git a/include/core/Transform2D.hpp b/include/core/Transform2D.hpp
index f3bc5fb..4273752 100644
--- a/include/core/Transform2D.hpp
+++ b/include/core/Transform2D.hpp
@@ -8,7 +8,7 @@ namespace godot {
 
 typedef Vector2 Size2;
 
-class Rect2;
+struct Rect2;
 
 struct Transform2D {
 	// Warning #1: basis of Transform2D is stored differently from Basis. In terms of elements array, the basis matrix looks like "on paper":