diff --git a/src/phpunit5-loggers.php b/src/phpunit5-loggers.php
index 4803b70..578f2a1 100644
--- a/src/phpunit5-loggers.php
+++ b/src/phpunit5-loggers.php
@@ -430,7 +430,7 @@ public function addFailure(\PHPUnit\Framework\Test $test, \PHPUnit\Framework\Ass
                     }
                 }
 
-                $yaml = new Symfony\Component\Yaml\Dumper;
+                $yaml = new \Symfony\Component\Yaml\Dumper;
 
                 $this->write(
                     sprintf(