Index: src/plugins/rt_topo/crbs.c
===================================================================
--- src/plugins/rt_topo/crbs.c	(revision 1341)
+++ src/plugins/rt_topo/crbs.c	(revision 1342)
@@ -46,7 +46,7 @@
 	crbs_2net_t *coll_ctn = coll_tn->user_data;
 /*	crbs_2net_t *ctn = tn->user_data;*/
 
-	if (coll_ctn != &tn_unknown)
+	if (coll_tn != &tn_unknown)
 		coll_ctn->coll = 1;
 }