diff --git a/sbin/ifconfig/ifieee80211.c b/sbin/ifconfig/ifieee80211.c
--- a/sbin/ifconfig/ifieee80211.c
+++ b/sbin/ifconfig/ifieee80211.c
@@ -3694,7 +3694,7 @@
 	int r = 0;
 
 	for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
-		if (mi->ch[i].rssi != 0) {
+		if (mi->ch[i].rssi[0] != 0) {
 			r = 1;
 			break;
 		}