diff --git a/Tests/Fixtures/FilesLoader.php b/Tests/Fixtures/FilesLoader.php
index 59d8ee8b3..a4d6a6ab4 100644
--- a/Tests/Fixtures/FilesLoader.php
+++ b/Tests/Fixtures/FilesLoader.php
@@ -27,7 +27,7 @@ public function __construct(array $paths, LoaderInterface $loader)
 
     protected function getFileLoaderInstance($file)
     {
-        $this->timesCalled++;
+        ++$this->timesCalled;
 
         return $this->loader;
     }