--- ray/src/rt/m_bsdf.c	2012/04/24 15:53:41	2.20
+++ ray/src/rt/m_bsdf.c	2012/06/09 07:16:47	2.21
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char RCSid[] = "$Id: m_bsdf.c,v 2.20 2012/04/24 15:53:41 greg Exp $";
+static const char RCSid[] = "$Id: m_bsdf.c,v 2.21 2012/06/09 07:16:47 greg Exp $";
 #endif
 /*
  *  Shading for materials with BSDFs taken from XML data files
@@ -500,9 +500,9 @@ m_bsdf(OBJREC *m, RAY *r)
 	upvec[1] = evalue(mf->ep[2]);
 	upvec[2] = evalue(mf->ep[3]);
 						/* return to world coords */
-	if (mf->f != &unitxf) {
-		multv3(upvec, upvec, mf->f->xfm);
-		nd.thick *= mf->f->sca;
+	if (mf->fxp != &unitxf) {
+		multv3(upvec, upvec, mf->fxp->xfm);
+		nd.thick *= mf->fxp->sca;
 	}
 	raynormal(nd.pnorm, r);
 						/* compute local BSDF xform */