From 2f0b944554654268136b0300af4f23864075d743 Mon Sep 17 00:00:00 2001
From: Ryan Saridar <8403417+VortixDev@users.noreply.github.com>
Date: Wed, 31 Mar 2021 02:42:03 +0100
Subject: [PATCH] Fix error byte index

---
 client/src/mifare/mifare4.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/client/src/mifare/mifare4.c b/client/src/mifare/mifare4.c
index 55961b15b..b83996098 100644
--- a/client/src/mifare/mifare4.c
+++ b/client/src/mifare/mifare4.c
@@ -194,7 +194,7 @@ int MifareAuth4(mf4Session_t *mf4session, uint8_t *keyn, uint8_t *key, bool acti
     }
 
     if (data[0] != 0x90) {
-        if (!silentMode) PrintAndLogEx(ERR, "Card response error: %02x", data[2]);
+        if (!silentMode) PrintAndLogEx(ERR, "Card response error: %02x", data[0]);
         if (dropFieldIfError) DropField();
         return 3;
     }