diff --git a/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh b/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh
index a80d106afa..e14b531c59 100644
--- a/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh
+++ b/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh
@@ -203,7 +203,7 @@ mac80211_hostapd_setup_base() {
 			dsss_cck_40:1
 
 		ht_cap_mask=0
-		for cap in $(iw phy "$phy" info | grep 'Capabilities:' | cut -d: -f2); do
+		for cap in $(iw phy "$phy" info | grep -E '^\s*Capabilities:' | cut -d: -f2); do
 			ht_cap_mask="$(($ht_cap_mask | $cap))"
 		done