diff --git a/drivers/net/wireless/ath/ath9k/mac.h b/drivers/net/wireless/ath/ath9k/mac.h
index 21c955609e6c7f339ea30f1c1ce38d5c254710af..0eba36dca6f8fe897dcbbdc56cd0318af46f4fba 100644
--- a/drivers/net/wireless/ath/ath9k/mac.h
+++ b/drivers/net/wireless/ath/ath9k/mac.h
@@ -646,6 +646,7 @@ enum ath9k_rx_filter {
 	ATH9K_RX_FILTER_PHYRADAR = 0x00002000,
 	ATH9K_RX_FILTER_MCAST_BCAST_ALL = 0x00008000,
 	ATH9K_RX_FILTER_CONTROL_WRAPPER = 0x00080000,
+	ATH9K_RX_FILTER_4ADDRESS = 0x00100000,
 };
 
 #define ATH9K_RATESERIES_RTS_CTS  0x0001
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 6a7dd26f2a13770434a071879c9e2a172bd43f62..11f3703a420a930fce50434403a365a0562ddd2f 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -430,6 +430,9 @@ u32 ath_calcrxfilter(struct ath_softc *sc)
 		rfilt |= ATH9K_RX_FILTER_MCAST_BCAST_ALL;
 	}
 
+	if (AR_SREV_9550(sc->sc_ah))
+		rfilt |= ATH9K_RX_FILTER_4ADDRESS;
+
 	return rfilt;
 
 }