diff --git a/libnfc/drivers.h b/libnfc/drivers.h
index 2d48b16..07a2bff 100644
--- a/libnfc/drivers.h
+++ b/libnfc/drivers.h
@@ -53,7 +53,6 @@ static const struct driver_callbacks drivers_callbacks_list[] = {
   { PN533_USB_DRIVER_NAME,  pn533_usb_pick_device, pn533_usb_list_devices,    pn533_usb_connect,   pn53x_usb_transceive,     pn53x_usb_disconnect        },
 #endif /* HAVE_LIBUSB */
   { PN532_UART_DRIVER_NAME, pn532_uart_pick_device, pn532_uart_list_devices,  pn532_uart_connect,  pn532_uart_transceive,    pn532_uart_disconnect   },
-  { ARYGON_DRIVER_NAME,     arygon_pick_device,     arygon_list_devices,      arygon_connect,      arygon_transceive,        arygon_disconnect       }
 };
 
 #endif // __NFC_DRIVERS_H__
diff --git a/libnfc/drivers/pn532_uart.c b/libnfc/drivers/pn532_uart.c
index 33e461d..8ecd1a6 100644
--- a/libnfc/drivers/pn532_uart.c
+++ b/libnfc/drivers/pn532_uart.c
@@ -251,8 +251,12 @@ pn532_uart_wakeup(const nfc_device_spec_t nds)
   /** PN532C106 wakeup. */
   /** High Speed Unit (HSU) wake up consist to send 0x55 and wait a "long" delay for PN532 being wakeup. */
   /** To be sure that PN532 is alive, we have put a "Diagnose" command to execute a "Communication Line Test" */
-  const byte_t pncmd_pn532c106_wakeup[] = { 0x55,0x55,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xD4,0x00,0x00,'l','i','b','n','f','c'};
+  const byte_t pncmd_pn532c106_wakeup[] = { 0x55,0x55,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0x09,0xf7,0xd4,0x00,0x00,'l','i','b','n','f','c',0xbe,0x00 };
 
+#ifdef DEBUG
+  printf(" TX: ");
+  print_hex(pncmd_pn532c106_wakeup,sizeof(pncmd_pn532c106_wakeup));
+#endif
   uart_send((serial_port)nds, pncmd_pn532c106_wakeup, sizeof(pncmd_pn532c106_wakeup));
 
   if (!uart_receive((serial_port)nds,abtRx,&szRxLen)) {
@@ -264,8 +268,9 @@ pn532_uart_wakeup(const nfc_device_spec_t nds)
   print_hex(abtRx,szRxLen);
   #endif
 
-  const byte_t attempted_result[] = { 0xD5,0x01,'l','i','b','n','f','c'};
+  const byte_t attempted_result[] = { 0x00,0x00,0xff,0x00,0xff,0x00,0x00,0x00,0xff,0x09,0xf7,0xD5,0x01,0x00,'l','i','b','n','f','c',0xbc,0x00};
   if(0 != memcmp(abtRx,attempted_result,sizeof(attempted_result))) {
+    DBG("Comminucation test failed, result doesn't match to attempted one.");
     return false;
   }
   return true;