diff --git a/indra/newview/llface.cpp b/indra/newview/llface.cpp
index f1b64a58993f6c38490f62cf984006d652ad6075..547d9dad38cfa72f105c9eb29ae807680a150510 100644
--- a/indra/newview/llface.cpp
+++ b/indra/newview/llface.cpp
@@ -1028,11 +1028,11 @@ void LLFace::getPlanarProjectedParams(LLQuaternion* face_rot, LLVector3* face_po
 	const LLMatrix4& vol_mat = getWorldMatrix();
 	const LLVolumeFace& vf = getViewerObject()->getVolume()->getVolumeFace(mTEOffset);
 	const LLVector4a& normal4a = vf.mNormals[0];
-	const LLVector4a& tangent = vf.mTangents[0];
-	if (!&tangent)
+	if (! vf.mTangents)
 	{
 		return;
 	}
+	const LLVector4a& tangent = *vf.mTangents;
 
 	LLVector4a binormal4a;
 	binormal4a.setCross3(normal4a, tangent);