diff --git a/mt7921/mac.c b/mt7921/mac.c
index 7af87612..9c82ec24 100644
--- a/mt7921/mac.c
+++ b/mt7921/mac.c
@@ -235,7 +235,7 @@ mt7921_mac_fill_rx(struct mt7921_dev *dev, struct sk_buff *skb)
 	u32 rxd2 = le32_to_cpu(rxd[2]);
 	u32 rxd3 = le32_to_cpu(rxd[3]);
 	u32 rxd4 = le32_to_cpu(rxd[4]);
-	struct mt7921_sta *msta;
+	struct mt7921_sta *msta = NULL;
 	u16 seq_ctrl = 0;
 	__le16 fc = 0;
 	u8 mode = 0;