diff --git a/Resetter.php b/Resetter.php
index f8d94ed..2773140 100644
--- a/Resetter.php
+++ b/Resetter.php
@@ -58,7 +58,27 @@ class Resetter
 
         $type = $indexConfig['index']->getType($typeName);
         $type->delete();
-        $type->setMapping($indexConfig['config']['mappings'][$typeName]['properties']);
+        $mapping = $this->createMapping($indexConfig['config']['mappings'][$typeName]);
+        $type->setMapping($mapping);
+    }
+
+    /**
+     * create type mapping object
+     *
+     * @param array $indexConfig
+     * @return Elastica_Type_Mapping
+     */
+    protected function createMapping($indexConfig)
+    {
+		$mapping = \Elastica_Type_Mapping::create($indexConfig['properties']);
+
+        foreach($indexConfig['properties'] as $field => $type) {
+            if (!empty($type['_parent']) && $type['_parent'] !== '~') {
+                $mapping->setParam('_parent', array('type' => $type['_parent']['type']));
+            }
+        }
+
+        return $mapping;
     }
 
     /**
diff --git a/Tests/ResetterTest.php b/Tests/ResetterTest.php
index d59da18..754310c 100644
--- a/Tests/ResetterTest.php
+++ b/Tests/ResetterTest.php
@@ -29,6 +29,17 @@ class ResetterTest extends \PHPUnit_Framework_TestCase
                     ),
                 ),
             ),
+            'parent' => array(
+                'index' => $this->getMockElasticaIndex(),
+                'config' => array(
+                    'mappings' => array(
+                        'a' => array('properties' => array(
+                                'field_1' => array('_parent' => array('type' => 'b', 'identifier' => 'id')),
+                                'field_2' => array())),
+                        'b' => array('properties' => array()),
+                    ),
+                ),
+            ),
         );
     }
 
@@ -80,9 +91,10 @@ class ResetterTest extends \PHPUnit_Framework_TestCase
         $type->expects($this->once())
             ->method('delete');
 
+        $mapping = \Elastica_Type_Mapping::create($this->indexConfigsByName['foo']['config']['mappings']['a']['properties']);
         $type->expects($this->once())
             ->method('setMapping')
-            ->with($this->indexConfigsByName['foo']['config']['mappings']['a']['properties']);
+            ->with($mapping);
 
         $resetter = new Resetter($this->indexConfigsByName);
         $resetter->resetIndexType('foo', 'a');
@@ -106,6 +118,28 @@ class ResetterTest extends \PHPUnit_Framework_TestCase
         $resetter->resetIndexType('foo', 'c');
     }
 
+    public function testIndexMappingForParent()
+    {
+        $type = $this->getMockElasticaType();
+
+        $this->indexConfigsByName['parent']['index']->expects($this->once())
+            ->method('getType')
+            ->with('a')
+            ->will($this->returnValue($type));
+
+        $type->expects($this->once())
+            ->method('delete');
+
+        $mapping = \Elastica_Type_Mapping::create($this->indexConfigsByName['parent']['config']['mappings']['a']['properties']);
+        $mapping->setParam('_parent', array('type' => 'b'));
+        $type->expects($this->once())
+            ->method('setMapping')
+            ->with($mapping);
+
+        $resetter = new Resetter($this->indexConfigsByName);
+        $resetter->resetIndexType('parent', 'a');
+    }
+
     /**
      * @return Elastica_Index
      */