diff --git a/management/univention-web/js/tools.js b/management/univention-web/js/tools.js
index 9bcb5d3..6952f84 100644
--- a/management/univention-web/js/tools.js
+++ b/management/univention-web/js/tools.js
@@ -31,6 +31,7 @@
 define([
 	"dojo/_base/lang",
 	"dojo/_base/array",
+	"dojo/_base/kernel",
 	"dojo/_base/window",
 	"dojo/request/xhr",
 	"dojo/_base/xhr",
@@ -50,7 +51,7 @@ define([
 	"umc/widgets/Text",
 	"umc/i18n/tools",
 	"umc/i18n!"
-], function(lang, array, _window, xhr, basexhr, Deferred, all, json, string, topic, cookie, Dialog, TitlePane, timing, styles, entities, ContainerWidget, ConfirmDialog, Text, i18nTools, _) {
+], function(lang, array, kernel, _window, xhr, basexhr, Deferred, all, json, string, topic, cookie, Dialog, TitlePane, timing, styles, entities, ContainerWidget, ConfirmDialog, Text, i18nTools, _) {
 	// in order to break circular dependencies (umc.tools needs a Widget and
 	// the Widget needs umc/tools), we define umc/dialog as an empty object and
 	// require it explicitely
@@ -1130,7 +1131,12 @@ define([
 				var o = {
 					attr: '',
 					desc: 1,
-					ignCase: true
+					ignCase: true,
+					useCollator: true,
+					collatorLocales: kernel.locale,
+					collatorOptions: {
+						numeric: true
+					}
 				};
 
 				// entry for ordering can by a String or an Object
@@ -1141,6 +1147,10 @@ define([
 					o.attr = args[i].attribute;
 					o.desc = (args[i].descending ? -1 : 1);
 					o.ignCase = undefined === args[i].ignoreCase ? true : args[i].ignoreCase;
+
+					o.useCollator = undefined === args[i].useCollator ?  o.useCollator : args[i].useCollator;
+					o.collatorLocales = undefined === args[i].collatorLocales ? o.collatorLocales : args[i].collatorLocales;
+					lang.mixin(o.collatorOptions, args[i].collatorOptions);
 				}
 				else {
 					// error case
@@ -1156,23 +1166,30 @@ define([
 				for (var i = 0; i < order.length; ++i) {
 					var o = order[i];
 
-					// check for lowercase (ignore not existing values!)
 					var a = _a[o.attr];
 					var b = _b[o.attr];
-					if (o.ignCase && a && a.toLowerCase && b && b.toLowerCase) {
-						a = a.toLowerCase();
-						b = b.toLowerCase();
-					}
 
 					// check for lower/greater
-					if (a < b) {
-						return -1 * o.desc;
-					}
-					if (a > b) {
-						return 1 * o.desc;
+					var hasCollator = typeof(Intl) === 'object' && Intl.hasOwnProperty('Collator') && typeof(Intl.Collator) === 'function';
+					if (o.useCollator && hasCollator) {
+						// should we cache a collator for the same settings?
+						var collator = new Intl.Collator(o.collatorLocales, o.collatorOptions);
+						return collator.compare(a, b) * o.desc;
+					} else {
+						// check for lowercase (ignore not existing values!)
+						if (o.ignCase && a && a.toLowerCase && b && b.toLowerCase) {
+							a = a.toLowerCase();
+							b = b.toLowerCase();
+						}
+						if (a < b) {
+							return -1 * o.desc;
+						}
+						if (a > b) {
+							return 1 * o.desc;
+						}
+						return 0;
 					}
 				}
-				return 0;
 			};
 		},