diff --git a/lib/classes/User/Query.class.php b/lib/classes/User/Query.class.php
index 0dc66c418f..4794c485c2 100644
--- a/lib/classes/User/Query.class.php
+++ b/lib/classes/User/Query.class.php
@@ -128,10 +128,10 @@ class User_Query implements User_QueryInterface
   const SORT_FIRSTNAME= 'usr_prenom';
   const SORT_LASTNAME= 'usr_nom';
   const SORT_COMPANY = 'societe';
-  const SORT_LOGIN = 'login';
+  const SORT_LOGIN = 'usr_login';
   const SORT_EMAIL = 'usr_mail';
   const SORT_ID = 'usr_id';
-  const SORT_CREATIONDATE = 'creationdate';
+  const SORT_CREATIONDATE = 'usr_creationdate';
   const SORT_COUNTRY = 'pays';
   const SORT_LASTMODEL = 'lastModel';
 
@@ -410,6 +410,8 @@ class User_Query implements User_QueryInterface
         case self::SORT_COMPANY:
         case self::SORT_LOGIN:
         case self::SORT_EMAIL:
+          $sorter[$k] = ' usr.`' . $sort . '` COLLATE utf8_unicode_ci ';
+          break;
         case self::SORT_ID:
         case self::SORT_CREATIONDATE:
         case self::SORT_COUNTRY:
@@ -430,7 +432,7 @@ class User_Query implements User_QueryInterface
           $sorter[$k] .= ' ASC ';
           break;
         case self::ORD_DESC:
-          $sorter[$k] .= ' ASC ';
+          $sorter[$k] .= ' DESC ';
           break;
       }
     }
diff --git a/templates/web/admin/users.html b/templates/web/admin/users.html
index 355c3735b7..47c1ea5099 100644
--- a/templates/web/admin/users.html
+++ b/templates/web/admin/users.html
@@ -68,29 +68,75 @@
 <table id="users" cellspacing="0"  cellpadding="0" border="0" class="admintable">
   <thead>
     <tr>
-      <th style="text-align: center;">
+      <th style="text-align: center;" class="sortable {{ parm.srt == 'usr_id' ? 'sorted' :  '' }} {{ parm.ord == 'asc' ? 'sort_asc' :  'sort_desc' }}">
         {% trans 'admin::compte-utilisateur id utilisateur' %}
+        <span class="ord_notifier">
+          {{ parm.ord == 'asc' ? '&#x25bc;' :  '&#x25B2;' }}
+        </span>
+        <input type="hidden" name="srt" value="usr_id" />
       </th>
-      <th>
+      <th class="sortable {{ parm.srt == 'usr_login' ? 'sorted' :  '' }} ">
+        <span>
         {% trans 'admin::compte-utilisateur identifiant' %}
+        </span>
+        <span class="ord_notifier">
+          {{ parm.ord == 'asc' ? '&#x25bc;' :  '&#x25B2;' }}
+        </span>
+        <input type="hidden" name="srt" value="usr_login" />
       </th>
-      <th>
+      <th class="sortable {{ parm.srt == 'usr_nom' ? 'sorted' :  '' }} {{ parm.ord == 'asc' ? 'sort_asc' :  'sort_desc' }}">
+        <span>
         {% trans 'admin::compte-utilisateur nom/prenom' %}
+        </span>
+        <span class="ord_notifier">
+          {{ parm.ord == 'asc' ? '&#x25bc;' :  '&#x25B2;' }}
+        </span>
+        <input type="hidden" name="srt" value="usr_nom" />
       </th>
-      <th>
+      <th class="sortable {{ parm.srt == 'societe' ? 'sorted' :  '' }} {{ parm.ord == 'asc' ? 'sort_asc' :  'sort_desc' }}">
+        <span>
         {% trans 'admin::compte-utilisateur societe' %}
+        </span>
+        <span class="ord_notifier">
+          {{ parm.ord == 'asc' ? '&#x25bc;' :  '&#x25B2;' }}
+        </span>
+        <input type="hidden" name="srt" value="societe" />
       </th>
-      <th>
+      <th class="sortable {{ parm.srt == 'usr_mail' ? 'sorted' :  '' }} {{ parm.ord == 'asc' ? 'sort_asc' :  'sort_desc' }}">
+        <span>
         {% trans 'admin::compte-utilisateur email' %}
+        </span>
+        <span class="ord_notifier">
+          {{ parm.ord == 'asc' ? '&#x25bc;' :  '&#x25B2;' }}
+        </span>
+        <input type="hidden" name="srt" value="usr_mail" />
       </th>
-      <th>
+      <th class="sortable {{ parm.srt == 'pays' ? 'sorted' :  '' }} {{ parm.ord == 'asc' ? 'sort_asc' :  'sort_desc' }}">
+        <span>
         {% trans 'admin::compte-utilisateur pays' %}
+        </span>
+        <span class="ord_notifier">
+          {{ parm.ord == 'asc' ? '&#x25bc;' :  '&#x25B2;' }}
+        </span>
+        <input type="hidden" name="srt" value="pays" />
       </th>
-      <th>
+      <th class="sortable {{ parm.srt == 'lastModel' ? 'sorted' :  '' }} {{ parm.ord == 'asc' ? 'sort_asc' :  'sort_desc' }}">
+        <span>
         {% trans 'admin::compte-utilisateur dernier modele applique' %}
+        </span>
+        <span class="ord_notifier">
+          {{ parm.ord == 'asc' ? '&#x25bc;' :  '&#x25B2;' }}
+        </span>
+        <input type="hidden" name="srt" value="lastModel" />
       </th>
-      <th>
+      <th class="sortable {{ parm.srt == 'usr_creationdate' ? 'sorted' :  '' }} {{ parm.ord == 'asc' ? 'sort_asc' :  'sort_desc' }}">
+        <span>
         {% trans 'admin::compte-utilisateur date de creation' %}
+        </span>
+        <span class="ord_notifier">
+          {{ parm.ord == 'asc' ? '&#x25bc;' :  '&#x25B2;' }}
+        </span>
+        <input type="hidden" name="srt" value="usr_creationdate" />
       </th>
     </tr>
   </thead>
diff --git a/www/admin/users.js b/www/admin/users.js
index 13971c8631..a64db944b0 100644
--- a/www/admin/users.js
+++ b/www/admin/users.js
@@ -18,6 +18,29 @@ $(document).ready(function(){
     $(n).addClass('selected');
     return true;
   }
+  
+  $('#users th.sortable').live('click', function(){
+    
+    var $this = $(this);
+    
+    var sort = $('input', $this).val();
+    
+    if((sort == $('#users_page_form input[name="srt"]').val()) 
+      && ($('#users_page_form input[name="ord"]').val() == 'asc'))
+    {
+      var ord = 'desc';
+    }
+    else
+    {
+      var ord = 'asc';
+    }
+    
+    $('#users_page_form input[name="srt"]').val(sort);
+    $('#users_page_form input[name="ord"]').val(ord);
+    
+    $('#users_page_form').trigger('submit');
+  }).live('mouseover', function(){$(this).addClass('hover');})
+    .live('mouseout', function(){$(this).removeClass('hover');});
 
   var buttons = {};
   buttons[language.create_user] = function(){
diff --git a/www/skins/admin/admincolor.css b/www/skins/admin/admincolor.css
index f45e65ee20..01ced53018 100644
--- a/www/skins/admin/admincolor.css
+++ b/www/skins/admin/admincolor.css
@@ -141,4 +141,20 @@ table.admintable tbody .dropdown{
 .users_col.options{
     cursor:pointer;
     color:#AFAFAF;
+}
+#users th.sortable span{
+  margin:0 5px;
+}
+#users th.sortable{
+  cursor:pointer;
+}
+#users th.sortable.hover,
+#users th.sortable.sorted{
+  background-color:#F0AD30;
+}
+#users th.sortable span.ord_notifier{
+  display:none;
+}
+#users th.sortable.sorted span.ord_notifier{
+  display:inline;
 }
\ No newline at end of file