diff --git a/src/ap/acs.c b/src/ap/acs.c
index 652d020d5..03d797fe8 100644
--- a/src/ap/acs.c
+++ b/src/ap/acs.c
@@ -894,6 +894,9 @@ static int acs_request_scan(struct hostapd_iface *iface)
 		if (chan->flag & HOSTAPD_CHAN_DISABLED)
 			continue;
 
+		if (!is_in_chanlist(iface, chan))
+			continue;
+
 		*freq++ = chan->freq;
 	}
 	*freq = 0;