--- ray/src/rt/aniso.c	2011/10/26 03:44:56	2.52
+++ ray/src/rt/aniso.c	2012/06/09 07:16:47	2.53
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char RCSid[] = "$Id: aniso.c,v 2.52 2011/10/26 03:44:56 greg Exp $";
+static const char RCSid[] = "$Id: aniso.c,v 2.53 2012/06/09 07:16:47 greg Exp $";
 #endif
 /*
  *  Shading functions for anisotropic materials.
@@ -325,8 +325,8 @@ getacoords(		/* set up coordinate system */
 		np->specfl |= SP_BADU;
 		return;
 	}
-	if (mf->f != &unitxf)
-		multv3(np->u, np->u, mf->f->xfm);
+	if (mf->fxp != &unitxf)
+		multv3(np->u, np->u, mf->fxp->xfm);
 	fcross(np->v, np->pnorm, np->u);
 	if (normalize(np->v) == 0.0) {
 		objerror(np->mp, WARNING, "illegal orientation vector");