diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 5362306d40349..a126a3e238f6e 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1828,6 +1828,9 @@ static void ath9k_sta_notify(struct ieee80211_hw *hw,
 	struct ath_softc *sc = hw->priv;
 	struct ath_node *an = (struct ath_node *) sta->drv_priv;
 
+	if (!(sc->sc_flags & SC_OP_TXAGGR))
+		return;
+
 	switch (cmd) {
 	case STA_NOTIFY_SLEEP:
 		an->sleeping = true;