diff --git a/src/MFRC522.cpp b/src/MFRC522.cpp
index 24187b2..90575d5 100644
--- a/src/MFRC522.cpp
+++ b/src/MFRC522.cpp
@@ -1881,7 +1881,7 @@ bool MFRC522::MIFARE_SetUid(byte *newUid, byte uidSize, bool logErrors) {
 bool MFRC522::MIFARE_UnbrickUidSector(bool logErrors) {
 	MIFARE_OpenUidBackdoor(logErrors);
 	
-	byte block0_buffer[] = {0x01, 0x02, 0x03, 0x04, 0x04, 0x08, 0x04, 0x00, 0x01, 0x6F, 0x01, 0x6D, 0x45, 0x68, 0xF8, 0x1D};
+	byte block0_buffer[] = {0x01, 0x02, 0x03, 0x04, 0x04, 0x08, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};	
 	
 	// Write modified block 0 back to card
 	MFRC522::StatusCode status = MIFARE_Write((byte)0, block0_buffer, (byte)16);