Index: board.c
===================================================================
--- board.c	(revision 37075)
+++ board.c	(revision 37076)
@@ -392,7 +392,7 @@
 {
 	if ((rnd_gui != NULL) && (rnd_gui->set_design != NULL))
 		rnd_gui->set_design(rnd_gui, &PCB->hidlib);
-	rnd_event(&PCB->hidlib, RND_EVENT_DESIGN_REPLACED, "i", reverted);
+	rnd_event(&PCB->hidlib, RND_EVENT_DESIGN_REPLACED, NULL);
 }
 
 int pcb_board_normalize(pcb_board_t *pcb)