diff --git a/src/ap/hostapd.c b/src/ap/hostapd.c
index fea3d8b3c..145463d04 100644
--- a/src/ap/hostapd.c
+++ b/src/ap/hostapd.c
@@ -4103,13 +4103,17 @@ hostapd_switch_channel_fallback(struct hostapd_iface *iface,
 		bw = CONF_OPER_CHWIDTH_USE_HT;
 		break;
 	case 80:
-		if (freq_params->center_freq2)
+		if (freq_params->center_freq2) {
 			bw = CONF_OPER_CHWIDTH_80P80MHZ;
-		else
+			iface->conf->vht_capab |=
+				VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
+		} else {
 			bw = CONF_OPER_CHWIDTH_80MHZ;
+		}
 		break;
 	case 160:
 		bw = CONF_OPER_CHWIDTH_160MHZ;
+		iface->conf->vht_capab |= VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
 		break;
 	case 320:
 		bw = CONF_OPER_CHWIDTH_320MHZ;