--- ray/src/rt/rcontrib.c	2012/07/13 05:07:06	2.15
+++ ray/src/rt/rcontrib.c	2012/08/14 22:25:12	2.16
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char RCSid[] = "$Id: rcontrib.c,v 2.15 2012/07/13 05:07:06 greg Exp $";
+static const char RCSid[] = "$Id: rcontrib.c,v 2.16 2012/08/14 22:25:12 greg Exp $";
 #endif
 /*
  * Accumulate ray contributions for a set of materials
@@ -255,7 +255,8 @@ eval_irrad(FVECT org, FVECT dir)
 	thisray.rdir[2] = -dir[2];
 	thisray.rmax = 0.0;
 	rayorigin(&thisray, PRIMARY, NULL, NULL);
-	thisray.rot = 1e-5;		/* pretend we hit surface */
+					/* pretend we hit surface */
+	thisray.rt = thisray.rot = 1e-5;
 	thisray.rod = 1.0;
 	VCOPY(thisray.ron, dir);
 	VSUM(thisray.rop, org, dir, 1e-4);