diff --git a/rc.subr b/rc.subr
index 0a55169..00ce1ad 100755
--- a/rc.subr
+++ b/rc.subr
@@ -370,6 +370,8 @@ add_v6_isp()
 	eval dhcp_interface_${_name}="${_iface}"
 	eval dhcp_prefix_${_name}="${_prefix_len}"
 	dhcp_isps="${dhcp_isps} ${_name}"
+
+	ipv6_gateway_enable="YES"
 }
 
 add_canned_isp()