diff --git a/drivers/net/wireless/ath/ar5523/ar5523.h b/drivers/net/wireless/ath/ar5523/ar5523.h
index 6086ba3fb54367530321ad38e5abf7c3dcb45606..00c6fd346d48225e92a865ff8938a1c9f921e6aa 100644
--- a/drivers/net/wireless/ath/ar5523/ar5523.h
+++ b/drivers/net/wireless/ath/ar5523/ar5523.h
@@ -122,7 +122,7 @@ struct ar5523 {
 
 	struct work_struct	rx_refill_work;
 
-	int			rxbufsz;
+	unsigned int		rxbufsz;
 	u8			serial[16];
 
 	struct ieee80211_channel channels[14];