diff --git a/client/src/cmdhfmfu.c b/client/src/cmdhfmfu.c
index 6ffa165ca..ee8662ba5 100644
--- a/client/src/cmdhfmfu.c
+++ b/client/src/cmdhfmfu.c
@@ -463,10 +463,10 @@ static int try_default_aes_keys(void) {
     PrintAndLogEx(INFO, "");
     PrintAndLogEx(SUCCESS, "--- " _CYAN_("Known UL-AES keys"));
 
-    for (uint8_t i = 0; i < ARRAYLEN(default_aes_keys); ++i) {
-        uint8_t *key = default_aes_keys[i];
+//    for (uint8_t i = 0; i < ARRAYLEN(default_aes_keys); ++i) {
+        uint8_t *key = default_aes_keys[0];
 
-        for (uint8_t keyno = 0; keyno < 2; keyno++) {
+        for (uint8_t keyno = 0; keyno < 1; keyno++) {
 
             if (ulaes_requestAuthentication(key, keyno, true) == PM3_SUCCESS) {
 
@@ -493,7 +493,7 @@ static int try_default_aes_keys(void) {
                 res = PM3_SUCCESS;
             }
         }
-    }
+//    }
 
 //    setDeviceDebugLevel(dbg_curr, false);
     return res;