diff --git a/ChangeLog b/ChangeLog
index 7426dbf545..ed94972acd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -7196,3 +7196,5 @@
 	  keyboard and mouse classes if so configured.  From Leo (2014-4-17).
 	* include/nuttx/usb/usbhost:  Fix some USB HID-related conditional
 	  compilation.  From Leo (2014-4-17).
+	* drivers/usbhost/usbhost_hidmouse.c: Don't include NAKs from the device
+	  in the error count.  From Leo (2014-4-17).
diff --git a/drivers/usbhost/usbhost_hidmouse.c b/drivers/usbhost/usbhost_hidmouse.c
index 0fa49c50bf..5a9cff0a7a 100644
--- a/drivers/usbhost/usbhost_hidmouse.c
+++ b/drivers/usbhost/usbhost_hidmouse.c
@@ -1083,14 +1083,22 @@ static int usbhost_mouse_poll(int argc, char *argv[])
 
       if (ret != OK)
         {
-          nerrors++;
-          udbg("ERROR: DRVR_TRANSFER returned: %d/%d\n",
-               ret, nerrors);
+          /* If DRVR_TRANSFER() returns EAGAIN, that simply means that
+           * the devices was not ready and has NAK'ed the transfer.  That
+           * no be treated as an error (unless it persists for a long
+           * time).
+           */
 
-          if (nerrors > 200)
+          udbg("ERROR: DRVR_TRANSFER returned: %d/%d\n", ret, nerrors);
+          if (ret != -EAGAIN)
             {
-              udbg("Too many errors... aborting: %d\n", nerrors);
-              break;
+              nerrors++;
+
+              if (nerrors > 200)
+                {
+                  udbg("Too many errors... aborting: %d\n", nerrors);
+                  break;
+                }
             }
         }
 
diff --git a/include/nuttx/usb/usbhost.h b/include/nuttx/usb/usbhost.h
index 8c4b678288..d96a55d9a8 100644
--- a/include/nuttx/usb/usbhost.h
+++ b/include/nuttx/usb/usbhost.h
@@ -1,7 +1,7 @@
 /************************************************************************************
  * include/nuttx/usb/usbhost.h
  *
- *   Copyright (C) 2010-2013 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2010-2014 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * References: