diff --git a/src/main/java/nsusbloader/Utilities/NxdtUsbAbi1.java b/src/main/java/nsusbloader/Utilities/NxdtUsbAbi1.java
index 5b1f18f..88ece45 100644
--- a/src/main/java/nsusbloader/Utilities/NxdtUsbAbi1.java
+++ b/src/main/java/nsusbloader/Utilities/NxdtUsbAbi1.java
@@ -140,12 +140,12 @@ class NxdtUsbAbi1 {
     private boolean isInvalidDirective(byte[] message) throws Exception{
         if (! Arrays.equals(Arrays.copyOfRange(message, 0,4), MAGIC_NXDT)){
             writeUsb(USBSTATUS_INVALID_MAGIC);
-            logPrinter.print("Invalid 'MAGIC'", EMsgType.INFO);
+            logPrinter.print("Invalid 'MAGIC'", EMsgType.FAIL);
             return true;
         }
         if (message.length < 0x10){
             writeUsb(USBSTATUS_MALFORMED_REQUEST);
-            logPrinter.print("Invalid directive size. Expected size is 4096 while received is "+message.length, EMsgType.INFO);
+            logPrinter.print("Invalid directive size. "+message.length+" bytes received.", EMsgType.FAIL);
             return true;
         }
         return false;