Index: trunk/src/plugins/rt_topo/laa1.c
===================================================================
--- trunk/src/plugins/rt_topo/laa1.c	(revision 1460)
+++ trunk/src/plugins/rt_topo/laa1.c	(revision 1461)
@@ -89,7 +89,6 @@
 				}
 				p1 = laa_mst_add_point(mst, cx, cy, -1);
 				p1->user_long = layer_bits(ctx, obj);
-				p1->fixed = 1;
 			}
 			else {
 #warning TODO: non-terminal poly heuristics
@@ -143,8 +142,8 @@
 		rt_topo_laa_2net_t *tn = calloc(sizeof(rt_topo_laa_2net_t), 1);
 
 		/* steiner points are vias, potentially using any layer */
-		if (!edge->p1->fixed) edge->p1->user_long = layer_bits_all(ctx);
-		if (!edge->p2->fixed) edge->p2->user_long = layer_bits_all(ctx);
+		if ((edge->p1->user_long == 0) && !edge->p1->fixed) edge->p1->user_long = layer_bits_all(ctx);
+		if ((edge->p2->user_long == 0) && !edge->p2->fixed) edge->p2->user_long = layer_bits_all(ctx);
 
 		tn->bbox.x1 = LAA_MIN(edge->p1->x, edge->p2->x);
 		tn->bbox.y1 = LAA_MIN(edge->p1->y, edge->p2->y);