diff --git a/ChangeLog b/ChangeLog
index 8a3fd4546..7bbcffa37 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2013-04-04  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	* grub-core/bus/usb/usbtrans.c (grub_usb_bulk_readwrite_packetize):
+	Init err.
+
 2013-04-04  Vladimir Serbinenko  <phcoder@gmail.com>
 
 	* util/grub-setup.c (setup): Handle some corner cases.
diff --git a/grub-core/bus/usb/usbtrans.c b/grub-core/bus/usb/usbtrans.c
index 533c3e734..557e71c2e 100644
--- a/grub-core/bus/usb/usbtrans.c
+++ b/grub-core/bus/usb/usbtrans.c
@@ -343,7 +343,7 @@ grub_usb_bulk_readwrite_packetize (grub_usb_device_t dev,
 				   grub_size_t size, char *data)
 {
   grub_size_t actual, transferred;
-  grub_usb_err_t err;
+  grub_usb_err_t err = GRUB_USB_ERR_NONE;
   grub_size_t current_size, position;
   grub_size_t max_bulk_transfer_len = MAX_USB_TRANSFER_LEN;
   grub_size_t max;