diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c
index 245b730..57d7cc8 100644
--- a/drivers/net/wireless/ath9k/main.c
+++ b/drivers/net/wireless/ath9k/main.c
@@ -224,7 +224,7 @@
 
 	ht_info->ht_supported = 1;
 	ht_info->cap = (u16)IEEE80211_HT_CAP_SUP_WIDTH
-			|(u16)IEEE80211_HT_CAP_MIMO_PS
+			|(u16)IEEE80211_HT_CAP_SM_PS
 			|(u16)IEEE80211_HT_CAP_SGI_40
 			|(u16)IEEE80211_HT_CAP_DSSSCCK40;