diff --git a/Tests/Transformer/ElasticaToModelTransformerCollectionTest.php b/Tests/Transformer/ElasticaToModelTransformerCollectionTest.php
index e4beef4..e739959 100644
--- a/Tests/Transformer/ElasticaToModelTransformerCollectionTest.php
+++ b/Tests/Transformer/ElasticaToModelTransformerCollectionTest.php
@@ -67,6 +67,28 @@ class ElasticaToModelTransformerCollectionTest extends \PHPUnit_Framework_TestCa
             $result2,
         ), $results);
     }
+
+    public function testTransformOrder()
+    {
+        $this->collectionSetup();
+
+        $document1 = new \Elastica_Document(123, array('data' => 'lots of data'), 'type1');
+        $document2 = new \Elastica_Document(124, array('data' => 'not so much data'), 'type1');
+        $result1 = new POPO(123, 'lots of data');
+        $result2 = new POPO2(124, 'not so much data');
+
+        $this->transformers['type1']->expects($this->once())
+         ->method('transform')
+         ->with(array($document1,$document2))
+         ->will($this->returnValue(array($result1,$result2)));
+
+        $results = $this->collection->transform(array($document1, $document2));
+
+        $this->assertEquals(array(
+            $result1,
+            $result2,
+        ), $results);
+    }
 }
 
 class POPO
diff --git a/Transformer/ElasticaToModelTransformerCollection.php b/Transformer/ElasticaToModelTransformerCollection.php
index 506a0a8..33bd698 100644
--- a/Transformer/ElasticaToModelTransformerCollection.php
+++ b/Transformer/ElasticaToModelTransformerCollection.php
@@ -32,30 +32,24 @@ class ElasticaToModelTransformerCollection implements ElasticaToModelTransformer
     public function transform(array $elasticaObjects)
     {
         $sorted = array();
-        $order = array();
         foreach ($elasticaObjects as $object) {
             $sorted[$object->getType()][] = $object;
-            $order[] = sprintf('%s-%s', $object->getType(), $object->getId());
         }
 
+        $identifierGetter = 'get' . ucfirst($this->options['identifier']);
+
         $transformed = array();
         foreach ($sorted AS $type => $objects) {
-            $transformed = array_merge($transformed, $this->transformers[$type]->transform($objects));
+            $transformedObjects = $this->transformers[$type]->transform($objects);
+            $transformed[$type] = array_combine(array_map(function($o) use ($identifierGetter) {return $o->$identifierGetter();},$transformedObjects),$transformedObjects);
         }
 
-        $positions = array_flip($order);
-        $identifierGetter = 'get' . ucfirst($this->options['identifier']);
-        $classMap = $this->getTypeToClassMap();
+        $result = array();
+        foreach ($elasticaObjects as $object) {
+            $result[] = $transformed[$object->getType()][$object->getId()];
+        }
 
-        usort($transformed, function($a, $b) use ($positions, $identifierGetter, $classMap)
-        {
-            $aType = array_search(get_class($a), $classMap);
-            $bType = array_search(get_class($b), $classMap);
-
-            return $positions["{$aType}-{$a->$identifierGetter()}"] > $positions["{$bType}-{$b->$identifierGetter()}"];
-        });
-
-        return $transformed;
+        return $result;
     }
 
     public function hybridTransform(array $elasticaObjects)