diff --git a/desmume/src/gfx3d.cpp b/desmume/src/gfx3d.cpp
index 48384cfac..405059d39 100644
--- a/desmume/src/gfx3d.cpp
+++ b/desmume/src/gfx3d.cpp
@@ -916,10 +916,11 @@ void gfx3d_glNormal(unsigned long v)
 
 	if (texCoordinateTransform == 2)
 	{
-		last_s =(	(normal[0] *mtxCurrent[3][0] + normal[1] *mtxCurrent[3][4] +
-					 normal[2] *mtxCurrent[3][8]) + _s);
-		last_t =(	(normal[0] *mtxCurrent[3][1] + normal[1] *mtxCurrent[3][5] +
-					 normal[2] *mtxCurrent[3][9]) + _t);
+		float normal_fixed[3] = {normal[0]/8,normal[1]/8,normal[2]/8};
+		last_s =(	(normal_fixed[0] *mtxCurrent[3][0] + normal_fixed[1] *mtxCurrent[3][4] +
+					 normal_fixed[2] *mtxCurrent[3][8]) + _s);
+		last_t =(	(normal_fixed[0] *mtxCurrent[3][1] + normal_fixed[1] *mtxCurrent[3][5] +
+					 normal_fixed[2] *mtxCurrent[3][9]) + _t);
 	}