diff --git a/indra/newview/llface.cpp b/indra/newview/llface.cpp
index 17ac4ef1a..80bbac340 100644
--- a/indra/newview/llface.cpp
+++ b/indra/newview/llface.cpp
@@ -1860,15 +1860,12 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 
 			LLVector4a texIdx;
 
-			U8 index = mTextureIndex < 255 ? mTextureIndex : 0;
+			S32 index = mTextureIndex < 255 ? mTextureIndex : 0;
 
 			F32 val = 0.f;
-			U8* vp = (U8*) &val;
-			vp[0] = index;
-			vp[1] = 0;
-			vp[2] = 0;
-			vp[3] = 0;
-
+			S32* vp = (S32*) &val;
+			*vp = index;
+			
 			llassert(index <= LLGLSLShader::sIndexedTextureChannels-1);
 
 			LLVector4Logical mask;