diff --git a/scripts/netifd-wireless.sh b/scripts/netifd-wireless.sh
index c0abe744636b1de9ff8123f06dd8aa84f2ec7402..552779162251c7e67c04733f3238aa4dcc0a7e00 100644
--- a/scripts/netifd-wireless.sh
+++ b/scripts/netifd-wireless.sh
@@ -297,7 +297,6 @@ _wireless_set_brsnoop_isolation() {
 	json_get_var isolate isolate
 
 	[ ${isolate:-0} -gt 0 -o -z "$network_bridge" ] && return
-	[ -z "$multicast_to_unicast" ] && return
 	[ ${multicast_to_unicast:-1} -gt 0 ] && json_add_boolean isolate 1
 }