--- ray/src/rt/raytrace.c	1994/01/24 11:51:31	2.13
+++ ray/src/rt/raytrace.c	1994/02/28 08:54:02	2.15
@@ -98,7 +98,7 @@ RAY  *r;
 	else if (sourcehit(r))
 		gotmat = rayshade(r, r->ro->omod);
 
-	if (!gotmat)
+	if (r->ro != NULL && !gotmat)
 		objerror(r->ro, USER, "material not found");
 
 	if (trace != NULL)
@@ -156,7 +156,7 @@ int  mod;
 			if (irr_ignore(m->otype)) {
 				depth--;
 				raytrans(r);
-				return;
+				return(1);
 			}
 			if (!islight(m->otype))
 				m = &Lamb;