diff --git a/src/ap/hw_features.c b/src/ap/hw_features.c
index 923b69823..37112bd0b 100644
--- a/src/ap/hw_features.c
+++ b/src/ap/hw_features.c
@@ -443,7 +443,6 @@ static void ieee80211n_check_scan(struct hostapd_iface *iface)
 			   iface->conf->channel +
 			   iface->conf->secondary_channel * 4);
 		iface->conf->secondary_channel = 0;
-		iface->conf->ht_capab &= ~HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
 	}
 
 	res = ieee80211n_allowed_ht40_channel_pair(iface);
diff --git a/src/ap/ieee802_11_ht.c b/src/ap/ieee802_11_ht.c
index 6c3696f5e..6483e1c30 100644
--- a/src/ap/ieee802_11_ht.c
+++ b/src/ap/ieee802_11_ht.c
@@ -133,8 +133,7 @@ int hostapd_ht_operation_update(struct hostapd_iface *iface)
 	new_op_mode = 0;
 	if (iface->num_sta_no_ht)
 		new_op_mode = OP_MODE_MIXED;
-	else if ((iface->conf->ht_capab & HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)
-		 && iface->num_sta_ht_20mhz)
+	else if (iface->conf->secondary_channel && iface->num_sta_ht_20mhz)
 		new_op_mode = OP_MODE_20MHZ_HT_STA_ASSOCED;
 	else if (iface->olbc_ht)
 		new_op_mode = OP_MODE_MAY_BE_LEGACY_STAS;