diff --git a/koha-tmpl/intranet-tmpl/prog/js/staff-global.js b/koha-tmpl/intranet-tmpl/prog/js/staff-global.js
index a1bab11f80..a4dde721b1 100644
--- a/koha-tmpl/intranet-tmpl/prog/js/staff-global.js
+++ b/koha-tmpl/intranet-tmpl/prog/js/staff-global.js
@@ -19,9 +19,7 @@ function formatstr(str, col) {
 var HtmlCharsToEscape = {
     '&': '&',
     '<': '&lt;',
-    '>': '&gt;',
-    "'": '&#39;',
-    '"': '&quot;'
+    '>': '&gt;'
 };
 String.prototype.escapeHtml = function() {
     return this.replace(/[&<>]/g, function(c) {