diff --git a/public/src/utils.js b/public/src/utils.js
index 2fa9d047fa..01698fe932 100644
--- a/public/src/utils.js
+++ b/public/src/utils.js
@@ -6,6 +6,8 @@
 	if ('undefined' === typeof window) {
 		fs = require('fs');
 		XRegExp = require('xregexp').XRegExp;
+	} else {
+		XRegExp = window.XRegExp;
 	}