diff --git a/src/core/renderer/rendering_common.h b/src/core/renderer/rendering_common.h
index 86f77cc..c90cac1 100644
--- a/src/core/renderer/rendering_common.h
+++ b/src/core/renderer/rendering_common.h
@@ -4,7 +4,7 @@
 #include <Eigen/Eigen>
 
 namespace mirage {
-    using transform_type = Eigen::Projective2d;
+    using transform_type = Eigen::Affine2d;
     using color_type = LLGL::ColorRGBAub;
     using linear_color_type = LLGL::ColorRGBAf;