diff --git a/drivers/staging/rtl8723au/core/rtw_xmit.c b/drivers/staging/rtl8723au/core/rtw_xmit.c
index 36830be314d1..5b1d35e71c93 100644
--- a/drivers/staging/rtl8723au/core/rtw_xmit.c
+++ b/drivers/staging/rtl8723au/core/rtw_xmit.c
@@ -394,6 +394,7 @@ u8 qos_acm23a(u8 acm_mask, u8 priority)
 	default:
 		DBG_8723A("qos_acm23a(): invalid pattrib->priority: %d!!!\n",
 			  priority);
+		change_priority = 0;
 		break;
 	}