diff --git a/src/Symfony/Component/Form/Tests/Extension/Core/Type/FileTypeTest.php b/src/Symfony/Component/Form/Tests/Extension/Core/Type/FileTypeTest.php
index 777cb883a0..c566786c8c 100644
--- a/src/Symfony/Component/Form/Tests/Extension/Core/Type/FileTypeTest.php
+++ b/src/Symfony/Component/Form/Tests/Extension/Core/Type/FileTypeTest.php
@@ -25,7 +25,7 @@ class FileTypeTest extends BaseTypeTest
 
     protected function getExtensions()
     {
-        $translator = $this->createMock(TranslatorInterface::class);
+        $translator = $this->getMockBuilder(TranslatorInterface::class)->getMock();
         $translator->expects($this->any())->method('trans')->willReturnArgument(0);
 
         return array_merge(parent::getExtensions(), [new CoreExtension(null, null, $translator)]);