diff --git a/lib/Alchemy/Phrasea/SearchEngine/SearchEngineOptions.php b/lib/Alchemy/Phrasea/SearchEngine/SearchEngineOptions.php
index e3018fbc82..364e8c1523 100644
--- a/lib/Alchemy/Phrasea/SearchEngine/SearchEngineOptions.php
+++ b/lib/Alchemy/Phrasea/SearchEngine/SearchEngineOptions.php
@@ -606,15 +606,14 @@ class SearchEngineOptions
         $options->disallowBusinessFields();
         $options->setLocale($app['locale']);
 
-        if (is_array($request->get('bases'))) {
-            $bas = array_map(function ($base_id) use ($app) {
+        $selected_bases = $request->get('bases');
+        if (is_array($selected_bases)) {
+            $bas = [];
+            foreach ($selected_bases as $bas_id) {
                 try {
-                    return \collection::get_from_base_id($app, $base_id);
-                } catch (\Exception_Databox_CollectionNotFound $e) {
-                    return null;
-                }
-
-            }, $request->get('bases'));
+                    $bas[$bas_id] = \collection::get_from_base_id($app, $bas_id);
+                } catch (\Exception_Databox_CollectionNotFound $e) {}
+            }
         } elseif (!$app['authentication']->isAuthenticated()) {
             $bas = $app->getOpenCollections();
         } else {
@@ -648,7 +647,6 @@ class SearchEngineOptions
             $options->allowBusinessFieldsOn($BF);
         }
 
-
         $status = is_array($request->get('status')) ? $request->get('status') : [];
         $fields = is_array($request->get('fields')) ? $request->get('fields') : [];
 
diff --git a/lib/conf.d/minifyGroupsConfig.php b/lib/conf.d/minifyGroupsConfig.php
index cd7fa475d4..0a67fa8ead 100644
--- a/lib/conf.d/minifyGroupsConfig.php
+++ b/lib/conf.d/minifyGroupsConfig.php
@@ -110,7 +110,9 @@ $groups = [
         , '//include/jquery.image_enhancer.js'
         , '//include/jslibs/jquery.contextmenu_scroll.js'
         , '//assets/jquery.treeview/jquery.treeview.js'
-        , '//assets/jquery.treeview/jquery.treeview.async.js'],
+        , '//assets/jquery.treeview/jquery.treeview.async.js'
+        , '//assets/requirejs/require.js'
+    ],
     'thesaurus' => [
          '//assets/jquery.cookie/jquery.cookie.js'
         , '//include/jslibs/jquery.contextmenu_scroll.js'
diff --git a/templates/web/prod/index.html.twig b/templates/web/prod/index.html.twig
index 3c24ff9480..07fc3c145e 100644
--- a/templates/web/prod/index.html.twig
+++ b/templates/web/prod/index.html.twig
@@ -25,7 +25,7 @@
                                             onclick="cancelEvent(event);return false;"
                                             onmousedown="infoSbas(this, {{sbas_id}}, false, event); return false;"
                                             id="ck_{{collection["base_id"]}}_{{unique_id}}" type="checkbox"
-                                            name="bases[]" value="{{collection["base_id"]}}" {% if collection["selected"] %}checked="checked"{% endif %} />
+                                            name="bases[{{ collection["base_id"] }}]" value="{{collection["base_id"]}}" {% if collection["selected"] %}checked="checked"{% endif %} />
                                     </td>
                                     <td>
                                         <label style="line-height: 18px;" onclick="infoSbas($('#ck_{{base_id}}_{{unique_id}}'),{{sbas_id}}, false, event); return false;"