diff --git a/misc.c b/misc.c
--- a/misc.c
+++ b/misc.c
@@ -99,6 +99,9 @@ void SetDate(uint date)
 	ConvertDayToYMD(&ymd, _date = date);
 	_cur_year = ymd.year;
 	_cur_month = ymd.month;
+#ifdef ENABLE_NETWORK
+	_network_last_advertise_date = 0;
+#endif /* ENABLE_NETWORK */
 }