Index: obj_pstk_inlines.h
===================================================================
--- obj_pstk_inlines.h	(revision 19242)
+++ obj_pstk_inlines.h	(revision 19243)
@@ -108,7 +108,7 @@
 		return PCB_BB_INVALID;
 
 	/* most common case should be quick */
-	if (proto->hdia == 0) {
+	if (!PCB_PSTK_PROTO_CUTS(proto)) {
 		if (top != NULL) *top = -1;
 		if (bottom != NULL) *bottom = -1;
 		return PCB_BB_NONE;