diff --git a/src/classes/repositories/class-tainacan-metadatas.php b/src/classes/repositories/class-tainacan-metadatas.php
index df0c67d8c..1dbb16674 100644
--- a/src/classes/repositories/class-tainacan-metadatas.php
+++ b/src/classes/repositories/class-tainacan-metadatas.php
@@ -13,16 +13,7 @@ class Metadatas extends Repository {
 	public $entities_type = '\Tainacan\Entities\Metadata';
 	protected $default_metadata = 'default';
 
-	public $field_types = [
-	    '\Tainacan\Filter_Types\Checkbox',
-	    '\Tainacan\Filter_Types\Date',
-	    '\Tainacan\Filter_Types\Numeric',
-	    '\Tainacan\Filter_Types\Radio',
-	    '\Tainacan\Filter_Types\Relationship',
-	    '\Tainacan\Filter_Types\Selectbox',
-	    '\Tainacan\Filter_Types\Text',
-	    '\Tainacan\Filter_Types\Textatrea',
-    ];
+	public $field_types = [];
 	
     public function get_map() {
     	return apply_filters('tainacan-get-map', [
@@ -309,7 +300,7 @@ class Metadatas extends Repository {
     /**
      * fetch all registered field type classes
      *
-     * @return Array of Entities\Filter_Types\Filter_Type objects
+     * @return array of Entities\Field_Types\Field_Type objects
      */
     public function fetch_field_types(){
 
diff --git a/src/classes/tainacan-creator.php b/src/classes/tainacan-creator.php
index 5a45824b1..2a7d3b798 100644
--- a/src/classes/tainacan-creator.php
+++ b/src/classes/tainacan-creator.php
@@ -60,6 +60,16 @@ $Tainacan_Item_Metadata = new \Tainacan\Repositories\Item_Metadata();
 global $Tainacan_Metadatas;
 $Tainacan_Metadatas = new \Tainacan\Repositories\Metadatas();
 
+//register field types
+$Tainacan_Metadatas->register_field_type('\Tainacan\Field_type\Text');
+$Tainacan_Metadatas->register_field_type('\Tainacan\Field_type\Textarea');
+$Tainacan_Metadatas->register_field_type('\Tainacan\Field_type\Date');
+$Tainacan_Metadatas->register_field_type('\Tainacan\Field_type\Numeric');
+$Tainacan_Metadatas->register_field_type('\Tainacan\Field_type\Selectbox');
+$Tainacan_Metadatas->register_field_type('\Tainacan\Field_type\Relationship');
+$Tainacan_Metadatas->register_field_type('\Tainacan\Field_type\Radio');
+$Tainacan_Metadatas->register_field_type('\Tainacan\Field_type\Checkbox');
+
 global $Tainacan_Filters;
 $Tainacan_Filters = new \Tainacan\Repositories\Filters();
 
diff --git a/tests/test-metadata.php b/tests/test-metadata.php
index 4d7f46e5e..710454734 100644
--- a/tests/test-metadata.php
+++ b/tests/test-metadata.php
@@ -1,7 +1,6 @@
 <?php
 
 namespace Tainacan\Tests;
-
 /**
  * Class Metadata
  *
@@ -82,7 +81,9 @@ class Metadata extends TAINACAN_UnitTestCase {
         $this->assertEquals($test->get_field_type_object(), $type);
     }
 
-
+    /**
+     * test if parent metadata are visible for children collection
+     */
     function test_hierarchy_metadata(){
         global $Tainacan_Metadatas;
 
@@ -164,4 +165,21 @@ class Metadata extends TAINACAN_UnitTestCase {
         $retrieve_metadata =  $Tainacan_Metadatas->fetch_by_collection( $collection_son, [], 'OBJECT' );
         $this->assertEquals( 4, sizeof( $retrieve_metadata ) );
     }
+
+    /**
+     * test if the defaults types are registered
+     */
+    function test_metadata_field_type(){
+        global $Tainacan_Metadatas;
+        $this->assertEquals( 8, sizeof( $Tainacan_Metadatas->fetch_field_types() ) );
+    }
+
+    /**
+     * test if the defaults types are registered
+     */
+//    function test_metadata_field_type_insert(){
+//        global $Tainacan_Metadatas;
+//        $class = new \;
+//        $this->assertEquals( 9, sizeof( $Tainacan_Metadatas->fetch_field_types() ) );
+//    }
 }
\ No newline at end of file