Index: trunk/src/plugins/rt_topo/crbs_cdt.c
===================================================================
--- trunk/src/plugins/rt_topo/crbs_cdt.c	(revision 1336)
+++ trunk/src/plugins/rt_topo/crbs_cdt.c	(revision 1337)
@@ -140,7 +140,7 @@
 
 void rt_topo_crbs_cdt_dec_edge(crbs_t *crbs, grbs_arc_t *arc1, grbs_arc_t *arc2)
 {
-	crbs_point_t *pt1 = arc1->parent_pt->user_data, *pt2 = arc1->parent_pt->user_data;
+	crbs_point_t *pt1 = arc1->parent_pt->user_data, *pt2 = arc2->parent_pt->user_data;
 	edge_t *cdt_e = crbs_cdt_get_edge(pt1->cpt, pt2->cpt);
 	crbs_edge_t *edge;