diff --git a/etc/inc/system.inc b/etc/inc/system.inc
index 87bbdb211..1b4de5e26 100644
--- a/etc/inc/system.inc
+++ b/etc/inc/system.inc
@@ -518,7 +518,7 @@ function system_routing_configure($interface = "") {
 			;
 		else if (is_ipaddrv6($gatewayipv6)) {
 			$ifscope = "";
-			if (is_linklocal($gatewayipv6))
+			if (is_linklocal($gatewayipv6) && !strpos($gatewayipv6, '%'))
 				$ifscope = "%{$defaultifv6}";
 			log_error("ROUTING: setting IPv6 default route to {$gatewayipv6}{$ifscope}");
 			mwexec("/sbin/route change -inet6 default " . escapeshellarg("{$gatewayipv6}{$ifscope}"));