diff --git a/readme.txt b/readme.txt
index 587f3d2..9ad24a4 100644
--- a/readme.txt
+++ b/readme.txt
@@ -1,6 +1,6 @@
 
 In this document, we introduce how to support rtk 8723AE/AU BT driver in Linux system.
-Support kernel version 2.6.32~3.10.0
+Support kernel version 2.6.32~3.13.0
 
 ===========================================================================================================
 
diff --git a/rtk_btusb.c b/rtk_btusb.c
index 355d689..7756980 100644
--- a/rtk_btusb.c
+++ b/rtk_btusb.c
@@ -624,6 +624,10 @@ static int btusb_send_frame(struct sk_buff *skb)
 
 	BT_DBG("%s", hdev->name);
 
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 13, 0))
+	skb->dev = (void *) hdev;
+#endif
+
 	if (!test_bit(HCI_RUNNING, &hdev->flags))
 		return -EBUSY;