diff --git a/res/shader/gbuffer_opaque.vert b/res/shader/gbuffer_opaque.vert
index 535240f7..f42976d6 100644
--- a/res/shader/gbuffer_opaque.vert
+++ b/res/shader/gbuffer_opaque.vert
@@ -32,10 +32,8 @@ void main()
     FragmentPosition=(pos*world.modelview).xyz;
     FragmentTexCoord=TexCoord;
 
-    //mat3 n=mat3(pc.local_to_world*world.modelview);
+    mat3 n=mat3(pc.local_to_world*world.modelview);
 
-    //FragmentNormal=normalize(Normal)*n;
-    //FragmentTangent=normalize(Tangent)*n;
-    FragmentNormal=normalize(Normal);
-    FragmentTangent=normalize(Tangent);
+    FragmentNormal=normalize(Normal)*n;
+    FragmentTangent=normalize(Tangent)*n;
 }