diff --git a/LEGO1/tgl/d3drm/impl.h b/LEGO1/tgl/d3drm/impl.h
index c655105e..03f6b979 100644
--- a/LEGO1/tgl/d3drm/impl.h
+++ b/LEGO1/tgl/d3drm/impl.h
@@ -273,7 +273,7 @@ class MeshImpl : public Mesh {
 
 	// vtable+0x10
 	Result GetTexture(Texture*&) override;
-	Result SetTextureMappingMode(ProjectionType) override;
+	Result SetTextureMappingMode(TextureMappingMode) override;
 	Result SetShadingModel(ShadingModel) override;
 	Mesh* DeepClone(MeshBuilder*) override;
 
diff --git a/LEGO1/tgl/d3drm/mesh.cpp b/LEGO1/tgl/d3drm/mesh.cpp
index 6e4437d8..9c3f32b4 100644
--- a/LEGO1/tgl/d3drm/mesh.cpp
+++ b/LEGO1/tgl/d3drm/mesh.cpp
@@ -38,9 +38,9 @@ Result MeshImpl::SetTexture(const Texture* pTexture)
 }
 
 // FUNCTION: LEGO1 0x100a3f80
-Result MeshImpl::SetTextureMappingMode(ProjectionType projType)
+Result MeshImpl::SetTextureMappingMode(TextureMappingMode mode)
 {
-	if (projType == Perspective) {
+	if (mode == PerspectiveCorrect) {
 		return ResultVal(m_data->groupMesh->SetGroupMapping(m_data->groupIndex, D3DRMMAP_PERSPCORRECT));
 	}
 	else {
diff --git a/LEGO1/tgl/tgl.h b/LEGO1/tgl/tgl.h
index 0ce2f863..e8e83771 100644
--- a/LEGO1/tgl/tgl.h
+++ b/LEGO1/tgl/tgl.h
@@ -276,7 +276,7 @@ class Mesh : public Object {
 	virtual Result SetTexture(const Texture*) = 0;
 	virtual Result GetTexture(Texture*&) = 0;
 
-	virtual Result SetTextureMappingMode(ProjectionType) = 0;
+	virtual Result SetTextureMappingMode(TextureMappingMode) = 0;
 	virtual Result SetShadingModel(ShadingModel) = 0;
 
 	// Clone data in underlying group