diff --git a/Classes/Connection/Elasticsearch/ResultItem.php b/Classes/Connection/Elasticsearch/ResultItem.php
index dd8cb62..863e21b 100644
--- a/Classes/Connection/Elasticsearch/ResultItem.php
+++ b/Classes/Connection/Elasticsearch/ResultItem.php
@@ -44,12 +44,12 @@ class ResultItem implements ResultItemInterface
         return $this->data[$offset];
     }
 
-    public function offsetSet()
+    public function offsetSet($offset, $value)
     {
         throw new \BadMethodCallException('It\'s not possible to change the search result.', 1499179077);
     }
 
-    public function offsetUnset()
+    public function offsetUnset($offset)
     {
         throw new \BadMethodCallException('It\'s not possible to change the search result.', 1499179077);
     }
diff --git a/Tests/Functional/Connection/Elasticsearch/FilterTest.php b/Tests/Functional/Connection/Elasticsearch/FilterTest.php
index 88ae37f..3492e06 100644
--- a/Tests/Functional/Connection/Elasticsearch/FilterTest.php
+++ b/Tests/Functional/Connection/Elasticsearch/FilterTest.php
@@ -55,7 +55,7 @@ class FilterTest extends AbstractFunctionalTestCase
 
         $searchRequest->setFilter(['CType' => 'html']);
         $result = $searchService->search($searchRequest);
-        $this->assertSame('5', $result[0]->getData()['uid'], 'Did not get the expected result entry.');
+        $this->assertSame('5', $result->getResults()[0]['uid'], 'Did not get the expected result entry.');
         $this->assertSame(1, count($result), 'Did not receive the single filtered element.');
     }
 }