From 75d259a77eeb6d2e238804fb7868a3b2397a165c Mon Sep 17 00:00:00 2001
From: David Stein <info@davidstein.cz>
Date: Tue, 24 Aug 2021 15:54:02 +0200
Subject: [PATCH] xsns_82_wiegand - fix for zero key if keypad is used in the
 single key mode (SetOption124 1)

---
 tasmota/xsns_82_wiegand.ino | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tasmota/xsns_82_wiegand.ino b/tasmota/xsns_82_wiegand.ino
index 59b47f375..2a340b869 100644
--- a/tasmota/xsns_82_wiegand.ino
+++ b/tasmota/xsns_82_wiegand.ino
@@ -396,7 +396,7 @@ void Wiegand::ScanForTag() {
 
     for (int i= 0; i < WIEGAND_RFID_ARRAY_SIZE; i++)
     {
-      if (rfid_found[i].RFID != 0) {
+	  if (rfid_found[i].RFID != 0 || (rfid_found[i].RFID == 0 && i == 0)) {
         uint64_t oldTag = rfid;
         bool validKey =  WiegandConversion(rfid_found[i].RFID, rfid_found[i].bitCount);
         #if (DEV_WIEGAND_TEST_MODE)>0