diff --git a/client/src/mifare/desfirecore.c b/client/src/mifare/desfirecore.c
index b75ec45bd..fda847a6d 100644
--- a/client/src/mifare/desfirecore.c
+++ b/client/src/mifare/desfirecore.c
@@ -1822,8 +1822,7 @@ int DesfireFillFileList(DesfireContext *dctx, FileListS FileList, size_t *filesc
                 isoindx++;
             }
         }
-        if (isoindx > 0)
-            isoindx--;
+        
         if (isoindx * 2 != buflen)
             PrintAndLogEx(WARNING, "Wrong ISO ID list length. must be %zu but %zu", buflen, isoindx * 2);
     } else {