diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c
index d685bea6da24..335d49af7dd5 100644
--- a/drivers/net/wireless/ath/ath11k/mac.c
+++ b/drivers/net/wireless/ath/ath11k/mac.c
@@ -5094,13 +5094,15 @@ ath11k_mac_vdev_start_restart(struct ath11k_vif *arvif,
 		arg.channel.chan_radar =
 			!!(chandef->chan->flags & IEEE80211_CHAN_RADAR);
 
+		arg.channel.freq2_radar =
+			!!(chandef->chan->flags & IEEE80211_CHAN_RADAR);
+
 		arg.channel.passive = arg.channel.chan_radar;
 
 		spin_lock_bh(&ab->base_lock);
 		arg.regdomain = ar->ab->dfs_region;
 		spin_unlock_bh(&ab->base_lock);
 
-		/* TODO: Notify if secondary 80Mhz also needs radar detection */
 		if (he_support) {
 			ret = ath11k_set_he_mu_sounding_mode(ar, arvif);
 			if (ret) {