diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
index 2babaeff72ba..d36b940c0a07 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
@@ -171,7 +171,7 @@ struct mt7921_clc {
 	u8 type;
 	u8 rsv[8];
 	u8 data[];
-};
+} __packed;
 
 struct mt7921_phy {
 	struct mt76_phy *mt76;