diff --git a/vendor/built_in_modules/gallery/app/assets/javascripts/galleryAPI.js.erb b/vendor/built_in_modules/gallery/app/assets/javascripts/galleryAPI.js.erb
index e95ca8f3..758bddd9 100644
--- a/vendor/built_in_modules/gallery/app/assets/javascripts/galleryAPI.js.erb
+++ b/vendor/built_in_modules/gallery/app/assets/javascripts/galleryAPI.js.erb
@@ -1,3 +1,4 @@
+<%# encoding: utf-8 %>
 $.extend($.expr[':'], {
 	'containsi': function (elem, i, match, array) {
 		return (elem.textContent || elem.innerText || '').toLowerCase().indexOf((match[3] || "").toLowerCase()) >= 0;