diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c
index b3c3798fe5130eaf4e4ea7e528a3e8c646f8711b..635b592ad96181478af45cb2697ea05dbd823077 100644
--- a/drivers/net/wireless/ath/ath9k/rc.c
+++ b/drivers/net/wireless/ath/ath9k/rc.c
@@ -694,7 +694,7 @@ static u8 ath_rc_get_highest_rix(struct ath_softc *sc,
 		return rate;
 
 	/* This should not happen */
-	WARN_ON(1);
+	WARN_ON_ONCE(1);
 
 	rate = ath_rc_priv->valid_rate_index[0];