diff --git a/client/cmdlfem4x.c b/client/cmdlfem4x.c index 1ecf64d5..531199c4 100644 --- a/client/cmdlfem4x.c +++ b/client/cmdlfem4x.c @@ -719,7 +719,12 @@ int CmdEM4x05ReadWord(const char *Cmd) { usePwd = true; PrintAndLog("Reading address %02u | password %08X", addr, pwd); } - return EM4x05ReadWord(addr, pwd, usePwd); + + int result = EM4x05ReadWord(addr, pwd, usePwd); + if (result == -1) + PrintAndLog("Read failed"); + + return result; } int usage_lf_em_dump(void) {