diff --git a/drivers/net/wireless/realtek/rtw89/core.h b/drivers/net/wireless/realtek/rtw89/core.h
index 3254be670bd67..4aca2062b65dd 100644
--- a/drivers/net/wireless/realtek/rtw89/core.h
+++ b/drivers/net/wireless/realtek/rtw89/core.h
@@ -2879,7 +2879,7 @@ struct rtw89_dev {
 	int napi_budget_countdown;
 
 	/* HCI related data, keep last */
-	u8 priv[0] __aligned(sizeof(void *));
+	u8 priv[] __aligned(sizeof(void *));
 };
 
 static inline int rtw89_hci_tx_write(struct rtw89_dev *rtwdev,