diff --git a/mt7996/mcu.h b/mt7996/mcu.h
index 71f87da0..922fec17 100644
--- a/mt7996/mcu.h
+++ b/mt7996/mcu.h
@@ -284,6 +284,9 @@ struct mt7996_mcu_wed_rro_ba_delete_event {
 	__le16 len;
 
 	__le16 session_id;
+	__le16 wlan_id;
+	u8 tid;
+	u8 __rsv1;
 	u8 __rsv2[2];
 } __packed;