diff --git a/sys/dev/ath/ath_hal/ar5416/ar5416_xmit.c b/sys/dev/ath/ath_hal/ar5416/ar5416_xmit.c
index b3597dee2e1..945c58253a1 100644
--- a/sys/dev/ath/ath_hal/ar5416/ar5416_xmit.c
+++ b/sys/dev/ath/ath_hal/ar5416/ar5416_xmit.c
@@ -620,6 +620,20 @@ ar5416Set11nRateScenario(struct ath_hal *ah, struct ath_desc *ds,
 	HALASSERT(nseries == 4);
 	(void)nseries;
 
+	/*
+	 * XXX since the upper layers doesn't know the current chainmask
+	 * XXX setup, just override its decisions here.
+	 * XXX The upper layers need to be taught this!
+	 */
+	if (series[0].Tries != 0)
+		series[0].ChSel = AH5416(ah)->ah_tx_chainmask;
+	if (series[1].Tries != 0)
+		series[1].ChSel = AH5416(ah)->ah_tx_chainmask;
+	if (series[2].Tries != 0)
+		series[2].ChSel = AH5416(ah)->ah_tx_chainmask;
+	if (series[3].Tries != 0)
+		series[3].ChSel = AH5416(ah)->ah_tx_chainmask;
+
 	/*
 	 * Only one of RTS and CTS enable must be set.
 	 * If a frame has both set, just do RTS protection -
@@ -642,7 +656,6 @@ ar5416Set11nRateScenario(struct ath_hal *ah, struct ath_desc *ds,
 		    (ads->ds_ctl0 & ~(AR_RTSEnable | AR_CTSEnable));
 	}
 
-
 	ads->ds_ctl2 = set11nTries(series, 0)
 		     | set11nTries(series, 1)
 		     | set11nTries(series, 2)