diff --git a/package/network/config/firewall3/files/firewall.config b/package/network/config/firewall3/files/firewall.config
index fa09b6819e..62d3175cfa 100644
--- a/package/network/config/firewall3/files/firewall.config
+++ b/package/network/config/firewall3/files/firewall.config
@@ -15,7 +15,7 @@ config zone
 
 config zone
 	option name		wan
-	option network		'wan'
+	option network		'wan wan6'
 	option input		REJECT
 	option output		ACCEPT
 	option forward		REJECT