diff --git a/ChangeLog b/ChangeLog
index cd49e296e..1a3731242 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2011-05-18  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	* grub-core/bus/usb/usbhub.c (poll_nonroot_hub): Downgrade a printf
+	into dprintf.
+
 2011-05-18  Vladimir Serbinenko  <phcoder@gmail.com>
 
 	Use full 64-bit division.
diff --git a/grub-core/bus/usb/usbhub.c b/grub-core/bus/usb/usbhub.c
index fff94a3fc..b59f2f51d 100644
--- a/grub-core/bus/usb/usbhub.c
+++ b/grub-core/bus/usb/usbhub.c
@@ -352,8 +352,8 @@ poll_nonroot_hub (grub_usb_device_t dev)
 				  GRUB_USB_REQ_GET_STATUS,
 				  0, i, sizeof (status), (char *) &status);
 
-      grub_printf ("dev = %p, i = %d, status = %08x\n",
-                   dev, i, status);
+      grub_dprintf ("usb", "dev = %p, i = %d, status = %08x\n",
+		    dev, i, status);
 
       if (err)
 	continue;