diff --git a/client/src/cmdlfhitag.c b/client/src/cmdlfhitag.c
index b6e2ccbef..96cb8782f 100644
--- a/client/src/cmdlfhitag.c
+++ b/client/src/cmdlfhitag.c
@@ -570,8 +570,8 @@ static int CmdLFHitagReader(const char *Cmd) {
     }
 
     // sanity checks
-    if (keylen != 0 && keylen != 4) {
-        PrintAndLogEx(WARNING, "Wrong KEY len expected 0 or 4, got %d", keylen);
+    if (keylen != 0 && keylen != 4 && keylen != 6) {
+        PrintAndLogEx(WARNING, "Wrong KEY len expected 0,4 or 6, got %d", keylen);
         return PM3_EINVARG;
     }