diff --git a/fido2/apdu.h b/fido2/apdu.h
index 7ce8477..420fea6 100644
--- a/fido2/apdu.h
+++ b/fido2/apdu.h
@@ -42,6 +42,10 @@ extern int apdu_decode(uint8_t *data, size_t len, APDU_STRUCT *apdu);
 #define APDU_FIDO_U2F_AUTHENTICATE    0x02
 #define APDU_FIDO_U2F_VERSION         0x03
 #define APDU_FIDO_NFCCTAP_MSG         0x10
+#define APDU_FIDO_U2F_VENDOR_FIRST    0xc0    // First vendor defined command
+#define APDU_FIDO_U2F_VENDOR_LAST     0xff    // Last vendor defined command
+#define APDU_SOLO_RESET               0xee
+
 #define APDU_INS_SELECT               0xA4
 #define APDU_INS_READ_BINARY          0xB0
 #define APDU_GET_RESPONSE             0xC0
diff --git a/targets/stm32l432/src/nfc.c b/targets/stm32l432/src/nfc.c
index 00a2d63..b2aded8 100644
--- a/targets/stm32l432/src/nfc.c
+++ b/targets/stm32l432/src/nfc.c
@@ -756,6 +756,12 @@ void apdu_process(uint8_t buf0, uint8_t *apduptr, APDU_STRUCT *apdu)
             }
         break;
         
+        case  APDU_SOLO_RESET:
+            printf1(TAG_NFC, "Reset...\r\n");
+            delay(10);
+			nfc_write_response(buf0, SW_INS_INVALID);
+        break;
+        
         default:
             printf1(TAG_NFC, "Unknown INS %02x\r\n", apdu->ins);
 			nfc_write_response(buf0, SW_INS_INVALID);