diff --git a/mt7996/mcu.h b/mt7996/mcu.h
index 328edc35..e23cc96c 100644
--- a/mt7996/mcu.h
+++ b/mt7996/mcu.h
@@ -203,7 +203,7 @@ struct mt7996_mcu_all_sta_info_event {
 	u8 more;
 	u8 rsv2;
 	__le16 sta_num;
-	u8 rsv3[2];
+	u8 rsv3[4];
 
 	union {
 		struct all_sta_trx_rate rate[0];