diff --git a/client/src/cmdhfmf.c b/client/src/cmdhfmf.c
index 2847f0843..b98e7bc1f 100644
--- a/client/src/cmdhfmf.c
+++ b/client/src/cmdhfmf.c
@@ -2510,12 +2510,12 @@ noValidKeyFound:
     for (current_sector_i = 0; current_sector_i < sector_cnt; current_sector_i++) {
         for (current_key_type_i = 0; current_key_type_i < 2; current_key_type_i++) {
 
-            if (has_staticnonce == NONCE_STATIC)
-                goto tryStaticnested;
-
             // If the key is already known, just skip it
             if (e_sector[current_sector_i].foundKey[current_key_type_i] == 0) {
 
+                if (has_staticnonce == NONCE_STATIC)
+                    goto tryStaticnested;
+
                 // Try the found keys are reused
                 if (bytes_to_num(tmp_key, 6) != 0) {
                     // <!> The fast check --> mfCheckKeys_fast(sector_cnt, true, true, 2, 1, tmp_key, e_sector, false);