diff --git a/drivers/staging/rtl8723au/core/rtw_xmit.c b/drivers/staging/rtl8723au/core/rtw_xmit.c
index 2e508987009acb731a429316d1f5e080ba2eddab..36830be314d1b1381e9baac0296b59afbf6ab8c3 100644
--- a/drivers/staging/rtl8723au/core/rtw_xmit.c
+++ b/drivers/staging/rtl8723au/core/rtw_xmit.c
@@ -404,7 +404,7 @@ static void set_qos(struct sk_buff *skb, struct pkt_attrib *pattrib)
 {
 	u8 *pframe = skb->data;
 	struct iphdr *ip_hdr;
-	s32 UserPriority = 0;
+	u8 UserPriority = 0;
 
 	/*  get UserPriority from IP hdr */
 	if (pattrib->ether_type == ETH_P_IP) {