diff --git a/config/assets/default.js b/config/assets/default.js
index 8d614fd4d3..42f1b1062a 100644
--- a/config/assets/default.js
+++ b/config/assets/default.js
@@ -38,7 +38,7 @@ module.exports = {
 	server: {
 		allJS: ['gruntfile.js', 'server.js', 'config/**/*.js', 'modules/*/server/**/*.js'],
 		models: 'modules/*/server/models/**/*.js',
-		routes: ['modules/*[!core]/server/routes/**/*.js', 'modules/core/server/routes/**/*.js'],
+		routes: ['modules/!(core)/server/routes/**/*.js', 'modules/core/server/routes/**/*.js'],
 		sockets: 'modules/*/server/sockets/**/*.js',
 		config: 'modules/*/server/config/*.js',
 		policies: 'modules/*/server/policies/*.js',