diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index bfd97cad8aa4..c0fd8ab3fe8f 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -734,7 +734,7 @@ void usb_detect_quirks(struct usb_device *udev)
 	udev->quirks ^= usb_detect_dynamic_quirks(udev);
 
 	if (udev->quirks)
-		dev_dbg(&udev->dev, "USB quirks for this device: %x\n",
+		dev_dbg(&udev->dev, "USB quirks for this device: 0x%x\n",
 			udev->quirks);
 
 #ifdef CONFIG_USB_DEFAULT_PERSIST