Index: tool.c
===================================================================
--- tool.c	(revision 26976)
+++ tool.c	(revision 26977)
@@ -139,7 +139,7 @@
 	pcb_tool_next_id = id;
 	uninit_current_tool();
 	sprintf(id_s, "%d", id);
-	conf_set(CFR_DESIGN, "editor/mode", -1, id_s, POL_OVERWRITE);
+	pcb_conf_set(CFR_DESIGN, "editor/mode", -1, id_s, POL_OVERWRITE);
 	init_current_tool();
 
 	recursing = pcb_false;