diff --git a/client/src/cmdlfem4x50.c b/client/src/cmdlfem4x50.c index 2f415c32b..0476043a5 100644 --- a/client/src/cmdlfem4x50.c +++ b/client/src/cmdlfem4x50.c @@ -508,7 +508,7 @@ bool detect_4x50_block(void) { em4x50_data_t etd = { .pwd_given = false, .addr_given = true, - .addresses = (EM4X50_DEVICE_ID << 8) | EM4X50_DEVICE_ID, + .addresses = (EM4X50_DEVICE_SERIAL << 8) | EM4X50_DEVICE_SERIAL, }; em4x50_word_t words[EM4X50_NO_WORDS]; return (em4x50_read(&etd, words) == PM3_SUCCESS);