diff --git a/client/src/cmdlfem4x.c b/client/src/cmdlfem4x.c
index 459f49a47..74ce5a737 100644
--- a/client/src/cmdlfem4x.c
+++ b/client/src/cmdlfem4x.c
@@ -646,7 +646,7 @@ static command_t CommandTable[] = {
     {"4x05_read",   CmdEM4x05Read,        IfPm3Lf,         "read word data from EM4x05/EM4x69"},
     {"4x05_write",  CmdEM4x05Write,       IfPm3Lf,         "write word data to EM4x05/EM4x69"},
     {"4x05_unlock", CmdEM4x05Unlock,      IfPm3Lf,         "execute tear off against EM4x05/EM4x69"},
-    {"4x05_sniff",  CmdEM4x05Sniff,       IfPm3Lf,         "Attempt to recover em4x05 commands from sample buffer"},
+    {"4x05_sniff",  CmdEM4x05Sniff,       AlwaysAvailable, "Attempt to recover em4x05 commands from sample buffer"},
     {"4x05_brute",  CmdEM4x05Brute,       IfPm3Lf,         "Bruteforce password"},
     {"----------",  CmdHelp,              AlwaysAvailable,         "----------------------- " _CYAN_("EM 4x50") " -----------------------"},
     {"4x50_dump",   CmdEM4x50Dump,        IfPm3EM4x50,     "dump EM4x50 tag"},
diff --git a/client/src/cmdlfem4x05.c b/client/src/cmdlfem4x05.c
index c3a17a596..7ff4cb07f 100644
--- a/client/src/cmdlfem4x05.c
+++ b/client/src/cmdlfem4x05.c
@@ -1756,6 +1756,10 @@ int CmdEM4x05Sniff(const char *Cmd) {
     // setup and sample data from Proxmark
     // if not directed to existing sample/graphbuffer
     if (sampleData) {
+        if (!IfPm3Lf()) {
+            PrintAndLogEx(WARNING, "Only offline mode is available");
+            return PM3_EINVARG;
+        }
         CmdLFSniff("");
     }