diff --git a/miniwin/sdl3gpu/src/miniwin_d3drmviewport.cpp b/miniwin/sdl3gpu/src/miniwin_d3drmviewport.cpp
index 651c89e6..516da566 100644
--- a/miniwin/sdl3gpu/src/miniwin_d3drmviewport.cpp
+++ b/miniwin/sdl3gpu/src/miniwin_d3drmviewport.cpp
@@ -208,6 +208,13 @@ HRESULT Direct3DRMViewport_SDL3GPUImpl::CollectSceneData(IDirect3DRMFrame* group
 	recurseFrame(group, identity);
 
 	PushVertices(verts.data(), verts.size());
+	HMM_Perspective_LH_NO(
+		m_uniforms.perspective,
+		m_field,
+		4.f/3.f,
+		m_front,
+		m_back
+	);
 
 	// SDL_Log("FOV: %f", m_field);
 	HMM_Perspective_LH_NO(m_uniforms.perspective, m_field * SDL_PI_F * 4, 4.f / 3.f, m_front, m_back);