diff --git a/lib/classes/databox.php b/lib/classes/databox.php
index 3a48021337..ffd0f467f8 100644
--- a/lib/classes/databox.php
+++ b/lib/classes/databox.php
@@ -992,7 +992,7 @@ class databox extends base
                 ->set_separator(isset($field['separator']) ? (string) $field['separator'] : '')
                 ->set_required((isset($field['required']) && (string) $field['required'] == 1))
                 ->set_business((isset($field['business']) && (string) $field['business'] == 1))
-                ->set_aggregable((isset($field['aggregable']) && (string) $field['aggregable'] == 1))
+                ->set_aggregable((isset($field['aggregable']) ? (string) $field['aggregable'] : 0))
                 ->set_type($type)
                 ->set_tbranch(isset($field['tbranch']) ? (string) $field['tbranch'] : '')
                 ->set_thumbtitle(isset($field['thumbtitle']) ? (string) $field['thumbtitle'] : (isset($field['thumbTitle']) ? $field['thumbTitle'] : '0'))
diff --git a/lib/classes/databox/field.php b/lib/classes/databox/field.php
index 2d25d2b4e3..7386db6d3b 100644
--- a/lib/classes/databox/field.php
+++ b/lib/classes/databox/field.php
@@ -122,8 +122,6 @@ class databox_field implements cache_cacheableInterface
      */
     protected $Business;
 
-    protected $aggregable;
-
     protected $renamed = false;
 
     /**
@@ -146,6 +144,7 @@ class databox_field implements cache_cacheableInterface
     protected $VocabularyRestriction = false;
     protected $on_error = false;
     protected $original_src;
+    protected $aggregable;
 
     const TYPE_TEXT = "text";
     const TYPE_DATE = "date";
@@ -221,7 +220,7 @@ class databox_field implements cache_cacheableInterface
         $this->multi = (Boolean) $row['multi'];
         $this->Business = (Boolean) $row['business'];
         $this->report = (Boolean) $row['report'];
-        $this->aggregable = (Boolean) $row['aggregable'];
+        $this->aggregable = (Int) $row['aggregable'];
         $this->position = (Int) $row['sorter'];
         $this->type = $row['type'] ? : self::TYPE_STRING;
         $this->tbranch = $row['tbranch'];
@@ -271,7 +270,7 @@ class databox_field implements cache_cacheableInterface
 
     public function isAggregable()
     {
-        return $this->aggregable;
+        return $this->aggregable != 0;
     }
 
     /**
@@ -408,7 +407,7 @@ class databox_field implements cache_cacheableInterface
             ':separator'             => $this->separator,
             ':multi'                 => $this->multi ? '1' : '0',
             ':business'              => $this->Business ? '1' : '0',
-            ':aggregable'            => $this->aggregable ? '1' : '0',
+            ':aggregable'            => $this->aggregable,
             ':report'                => $this->report ? '1' : '0',
             ':type'                  => $this->type,
             ':tbranch'               => $this->tbranch,
@@ -460,7 +459,7 @@ class databox_field implements cache_cacheableInterface
         $meta->setAttribute('multi', $this->multi ? '1' : '0');
         $meta->setAttribute('report', $this->report ? '1' : '0');
         $meta->setAttribute('business', $this->Business ? '1' : '0');
-        $meta->setAttribute('aggregable', $this->aggregable ? '1' : '0');
+        $meta->setAttribute('aggregable', $this->aggregable);
         $meta->setAttribute('type', $this->type);
         $meta->setAttribute('tbranch', $this->tbranch);
         if ($this->multi) {
@@ -721,9 +720,9 @@ class databox_field implements cache_cacheableInterface
         return $this;
     }
 
-    public function set_aggregable($boolean)
+    public function set_aggregable($int)
     {
-        $this->aggregable = ! ! $boolean;
+        $this->aggregable = $int;
 
 
         return $this;
diff --git a/lib/classes/patch/390alpha22a.php b/lib/classes/patch/390alpha22a.php
new file mode 100644
index 0000000000..d2a1f0c152
--- /dev/null
+++ b/lib/classes/patch/390alpha22a.php
@@ -0,0 +1,65 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2015 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+use Alchemy\Phrasea\Application;
+
+class patch_390alpha22a implements patchInterface
+{
+    /** @var string */
+    private $release = '3.9.0-alpha.22';
+
+    /** @var array */
+    private $concern = [base::DATA_BOX];
+
+    /**
+     * {@inheritdoc}
+     */
+    public function get_release()
+    {
+        return $this->release;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getDoctrineMigrations()
+    {
+        return [];
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function require_all_upgrades()
+    {
+        return false;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function concern()
+    {
+        return $this->concern;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function apply(base $databox, Application $app)
+    {
+        $sql = "UPDATE metadatas_structure SET `aggregable`=20 WHERE `aggregable`=1";
+        $stmt = $databox->get_connection()->prepare($sql);
+        $stmt->execute();
+
+        return true;
+    }
+}
diff --git a/lib/conf.d/bases_structure.xml b/lib/conf.d/bases_structure.xml
index af4a143578..538320f3f0 100644
--- a/lib/conf.d/bases_structure.xml
+++ b/lib/conf.d/bases_structure.xml
@@ -2655,7 +2655,7 @@
           </field>
           <field>
             <name>aggregable</name>
-            <type>int(1) unsigned</type>
+            <type>int(5)</type>
             <null></null>
             <extra></extra>
             <default>0</default>
diff --git a/templates/web/admin/fields/templates.html.twig b/templates/web/admin/fields/templates.html.twig
index 1e430b4e3a..ad6a890f88 100644
--- a/templates/web/admin/fields/templates.html.twig
+++ b/templates/web/admin/fields/templates.html.twig
@@ -177,11 +177,18 @@
                     </td>
                 </tr>
                 <tr>
-                    <td colspan="2">
-                        <label for="aggregable" class="checkbox">
-                            <input id="aggregable" type="checkbox" <%= field.aggregable ? "checked='checked'" : "" %> />
-                                {% trans %}Aggregable fields{% endtrans %}
-                            </label>
+                    <td>
+                        <label for="aggregable">{% trans %}Aggregation{% endtrans %}</label>
+                    </td>
+                    <td>
+                        <select id="aggregable">
+                            <option <%= field['aggregable'] == "0" ? 'selected' : '' %> value='0'>{% trans %}Not aggregated{% endtrans %}</option>
+                            <option <%= field['aggregable'] == "10" ? 'selected' : '' %> value='10'>10 values</option>
+                            <option <%= field['aggregable'] == "20" ? 'selected' : '' %> value='20'>20 values</option>
+                            <option <%= field['aggregable'] == "50" ? 'selected' : '' %> value='50'>50 values</option>
+                            <option <%= field['aggregable'] == "100" ? 'selected' : '' %> value='100'>100 values</option>
+                            <option <%= field['aggregable'] == "-1" ? 'selected' : '' %> value='-1'>{% trans %}All values{% endtrans %}</option>
+                        </select>
                     </td>
                 </tr>
                 <tr>
diff --git a/tests/Alchemy/Tests/Phrasea/Controller/Admin/FieldsTest.php b/tests/Alchemy/Tests/Phrasea/Controller/Admin/FieldsTest.php
index 935e5e8467..14c9fd965b 100644
--- a/tests/Alchemy/Tests/Phrasea/Controller/Admin/FieldsTest.php
+++ b/tests/Alchemy/Tests/Phrasea/Controller/Admin/FieldsTest.php
@@ -221,7 +221,7 @@ class FieldsTest extends \PhraseanetAuthenticatedWebTestCase
             'thumbtitle' => false,
             'tag' => 'XMP:XMP',
             'business' => false,
-            'aggregable' => false,
+            'aggregable' => 0,
             'indexable' => true,
             'required' => true,
             'labels' => [