Index: trunk/src_plugins/io_pads/read.c
===================================================================
--- trunk/src_plugins/io_pads/read.c	(revision 34590)
+++ trunk/src_plugins/io_pads/read.c	(revision 34591)
@@ -317,7 +317,7 @@
 		pcb_any_obj_t *o = rctx->dlcr.netname_objs.array[n];
 		const char *netname = rctx->dlcr.netname_objs.array[n+1];
 		if (o->type == PCB_OBJ_POLY)
-			pcb_dlcr_post_poly_thermal_netname(rctx->pcb, o, netname, PCB_THERMAL_ROUND | PCB_THERMAL_DIAGONAL | PCB_THERMAL_ON, NULL, NULL);
+			pcb_dlcr_post_poly_thermal_netname(rctx->pcb, o, netname, PCB_THERMAL_ROUND | PCB_THERMAL_DIAGONAL | PCB_THERMAL_ON, postproc_thermal_lookup, &obj2net);
 	}
 
 	htpp_uninit(&obj2net);