diff --git a/src/MFRC522.h b/src/MFRC522.h
index 0aa9de8..69152cb 100644
--- a/src/MFRC522.h
+++ b/src/MFRC522.h
@@ -410,6 +410,7 @@ public:
 	void PICC_DumpMifareUltralightToSerial();
 	
 	// Advanced functions for MIFARE
+	DEPRECATED_MSG("name will change in next version")
 	void MIFARE_SetAccessBits(byte *accessBitBuffer, byte g0, byte g1, byte g2, byte g3);
 	DEPRECATED_MSG("will move to extra class in next version")
 	bool MIFARE_OpenUidBackdoor(bool logErrors);