diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 7bfc8f6..4ba0ee9 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -440,7 +440,7 @@
 	if (AR_SREV_9100(ah))
 		ah->sta_id1_defaults |= AR_STA_ID1_AR9100_BA_FIX;
 	ah->enable_32kHz_clock = DONT_USE_32KHZ;
-	ah->slottime = 20;
+	ah->slottime = ATH9K_SLOT_TIME_9;
 	ah->globaltxtimeout = (u32) -1;
 	ah->power_mode = ATH9K_PM_UNDEFINED;
 }