Index: src_plugins/tool_std/tool_lock.c
===================================================================
--- src_plugins/tool_std/tool_lock.c	(revision 33168)
+++ src_plugins/tool_std/tool_lock.c	(revision 33169)
@@ -57,6 +57,7 @@
 	if (type == PCB_OBJ_SUBC) {
 		pcb_subc_t *subc = (pcb_subc_t *)ptr2;
 		pcb_flag_change(pcb, PCB_CHGFLG_TOGGLE, PCB_FLAG_LOCK, PCB_OBJ_SUBC, ptr1, ptr2, ptr3);
+		pcb_board_set_changed_flag(pcb, rnd_true);
 
 		DrawSubc(subc);
 		pcb_draw();
@@ -71,6 +72,7 @@
 			PCB_FLAG_CLEAR(PCB_FLAG_SELECTED, thing);
 			pcb_draw_obj((pcb_any_obj_t *)ptr2);
 			pcb_draw();
+			pcb_board_set_changed_flag(pcb, rnd_true);
 		}
 		rnd_actionva(hl, "Report", "Object", "log", NULL);
 	}