diff --git a/component.json b/component.json
index 00b2f94088..b15ba31cbb 100644
--- a/component.json
+++ b/component.json
@@ -23,6 +23,7 @@
     "i18next": "~1.6",
     "sinon": "~1.7",
     "sinon-chai": "~2.4",
-    "js-fixtures": "https://github.com/badunk/js-fixtures/archive/master.zip"
+    "js-fixtures": "https://github.com/badunk/js-fixtures/archive/master.zip",
+    "bootstrap-multiselect": "https://github.com/davidstutz/bootstrap-multiselect.git"
   }
 }
diff --git a/lib/Alchemy/Phrasea/Form/Login/PhraseaRegisterForm.php b/lib/Alchemy/Phrasea/Form/Login/PhraseaRegisterForm.php
index b54f90083d..3ae012ab3b 100644
--- a/lib/Alchemy/Phrasea/Form/Login/PhraseaRegisterForm.php
+++ b/lib/Alchemy/Phrasea/Form/Login/PhraseaRegisterForm.php
@@ -74,31 +74,49 @@ class PhraseaRegisterForm extends AbstractType
         $builder->add('provider-id', 'hidden');
 
         require_once($this->app['phraseanet.registry']->get('GV_RootPath') . 'lib/classes/deprecated/inscript.api.php');
+        $choices = array();
         $baseIds = array();
 
         foreach (\giveMeBases($this->app) as $sbas_id => $baseInsc) {
             if (($baseInsc['CollsCGU'] || $baseInsc['Colls']) && $baseInsc['inscript']) {
                 if ($baseInsc['Colls']) {
                     foreach ($baseInsc['Colls'] as  $collId => $collName) {
-                        $baseIds[\phrasea::baseFromColl($sbas_id, $collId, $this->app)] = $collName;
+                        $baseId = \phrasea::baseFromColl($sbas_id, $collId, $this->app);
+                        $sbasName= \phrasea::sbas_names($sbas_id, $this->app);
+
+                        if (!isset($choices[$sbasName])) {
+                            $choices[$sbasName] = array();
+                        }
+
+                        $choices[$sbasName][$baseId] = \phrasea::bas_labels($baseId, $this->app);
+                        $baseIds[] = $baseId;
                     }
                 }
+
                 if ($baseInsc['CollsCGU']) {
                     foreach ($baseInsc['CollsCGU'] as  $collId => $collName) {
-                        $baseIds[\phrasea::baseFromColl($sbas_id, $collId, $this->app)] = $collName;
+                        $baseId = \phrasea::baseFromColl($sbas_id, $collId, $this->app);
+                        $sbasName= \phrasea::sbas_names($sbas_id, $this->app);
+
+                        if (!isset($choices[$sbasName])) {
+                            $choices[$sbasName] = array();
+                        }
+
+                        $choices[$sbasName][$baseId] = \phrasea::bas_labels($baseId, $this->app);
+                        $baseIds[] = $baseId;
                     }
                 }
             }
         }
 
         $builder->add('collections', 'choice', array(
-            'choices'     => $baseIds,
+            'choices'     => $choices,
             'multiple'    => true,
-            'expanded'    => true,
+            'expanded'    => false,
             'constraints' => array(
                 new Assert\Choice(array(
-                    'choices'=>array_keys($baseIds),
-                    'minMessage'  => _('You must select at least {{ limit }} collection'),
+                    'choices' => array_flip($baseIds),
+                    'minMessage' => _('You must select at least {{ limit }} collection'),
                     'multiple' => true,
                     'min'      => 1,
                 )),
diff --git a/lib/conf.d/minifyGroupsConfig.php b/lib/conf.d/minifyGroupsConfig.php
index bcf94085af..5911f77778 100644
--- a/lib/conf.d/minifyGroupsConfig.php
+++ b/lib/conf.d/minifyGroupsConfig.php
@@ -21,6 +21,7 @@ $groups = array(
         '//assets/angular/angular.js',
         '//assets/angular-ui/build/angular-ui.js',
         '//assets/bootstrap-switch/static/js/bootstrapSwitch.js',
+        '//assets/bootstrap-multiselect/js/bootstrap-multiselect.js',
         '//assets/underscore/underscore.js'
     ),
     'client' => array(
diff --git a/templates/web/login/register-classic.html.twig b/templates/web/login/register-classic.html.twig
index 9519f9b8a1..565c472221 100644
--- a/templates/web/login/register-classic.html.twig
+++ b/templates/web/login/register-classic.html.twig
@@ -1,6 +1,7 @@
 {% extends "login/layout/sidebar-layout.html.twig" %}
 
 {% import "login/common/macros.html.twig" as auth_macro %}
+{% import "common/macros.html.twig" as macro %}
 
 {% block title %}
     {% trans "Register" %}
@@ -25,13 +26,10 @@
             <div class="span12">
                 {{ auth_macro.flashes() }}
                 <form
-                     ng-controller="registerFormCtrl"
                      novalidate
                      name="registerForm"
-                     ng-submit="submit();"
                      method="POST"
                      action="{{ path("login_register_classic") }}"
-                     check-form-submission
                 >
                     <div class="row-fluid">
                         <div class="span12">
@@ -85,11 +83,18 @@
                         </div>
                     </div>
 
+                    <div class="row-fluid">
+                        <div class="span12">
+                            {{ form_row(form.collections) }}
+                        </div>
+                    </div>
+
                     {{ form_rest(form) }}
+
                     {% if recaptcha_display %}
                         <div class="row-fluid">
                             <div class="span12">
-                                {{ macro.captcha() }}
+                                {#{{ macro.captcha() }}#}
                             </div>
                         </div>
                     {% endif %}
diff --git a/www/scripts/apps/login/home/main.js b/www/scripts/apps/login/home/main.js
index 55cf1e791d..8c88bf5d31 100644
--- a/www/scripts/apps/login/home/main.js
+++ b/www/scripts/apps/login/home/main.js
@@ -29,3 +29,17 @@ require.config({
 require(["apps/login/home/app"], function(App) {
     App.initialize();
 });
+
+// close alerts
+$(document).ready(function() {
+    $(document).on("click", ".alert .alert-block-close a", function(e){
+        e.preventDefault();
+        $(this).closest('.alert').alert('close');
+        return false;
+    });
+
+    $("select[multiple='multiple']").multiselect({
+        buttonWidth : "100%",
+        buttonClass: 'btn btn-inverse'
+    });
+});
diff --git a/www/skins/login/less/skin.less b/www/skins/login/less/skin.less
index 2bd9e9e25d..7fd3f9f042 100644
--- a/www/skins/login/less/skin.less
+++ b/www/skins/login/less/skin.less
@@ -712,6 +712,35 @@ form[name=desktop_code] {
     margin-top:30px;
 }
 
+form[name=registerForm] .btn-group {
+    width: 100%;
+}
+
+form[name=registerForm] .multiselect {
+    text-align: left;
+}
+
+form[name=registerForm] .multiselect-container {
+    width: 99%;
+}
+
+form[name=registerForm] .multiselect-container li.active label{
+    color: @black;
+}
+
+form[name=registerForm] .multiselect b.caret {
+    float: right;
+}
+
+form[name=registerForm] .multiselect-group {
+    font-weight: bold;
+    text-decoration: underline;
+}
+
+form[name=registerForm] .multiselect-all label {
+    font-weight: bold;
+}
+
 /** IE Fixes */
 
 .lt-ie8 authentication-sidebar-language .caret {