diff --git a/ChangeLog b/ChangeLog
index 5a92be1..ddf6ace 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2015-06-30  Niibe Yutaka  <gniibe@fsij.org>
+
+	* src/main.c (device_initialize_once): Apply change of NeuG.
+
 2015-06-03  Niibe Yutaka  <gniibe@fsij.org>
 
 	* VERSION: 1.1.5.
diff --git a/src/main.c b/src/main.c
index 62c80b9..46b6548 100644
--- a/src/main.c
+++ b/src/main.c
@@ -135,12 +135,12 @@ device_initialize_once (void)
        * This is the first time invocation.
        * Setup serial number by unique device ID.
        */
-      const uint8_t *u = unique_device_id ();
+      const uint8_t *u = unique_device_id () + 8;
       int i;
 
       for (i = 0; i < 4; i++)
 	{
-	  uint8_t b = u[i];
+	  uint8_t b = u[3-i];
 	  uint8_t nibble;
 
 	  nibble = (b >> 4);