diff --git a/package/base-files/files/bin/config_generate b/package/base-files/files/bin/config_generate
index c435e7bb43..35299212a3 100755
--- a/package/base-files/files/bin/config_generate
+++ b/package/base-files/files/bin/config_generate
@@ -62,7 +62,7 @@ EOF
 set network.$1.proto='dhcp'
 delete network.wan6
 set network.wan6='interface'
-set network.wan6.ifname='@wan6'
+set network.wan6.ifname='@wan'
 set network.wan6.proto='dhcpv6'
 EOF
 		;;