diff --git a/src/Symfony/Bridge/PhpUnit/ClockMock.php b/src/Symfony/Bridge/PhpUnit/ClockMock.php
index 10c7d8780c..534d906c12 100644
--- a/src/Symfony/Bridge/PhpUnit/ClockMock.php
+++ b/src/Symfony/Bridge/PhpUnit/ClockMock.php
@@ -92,7 +92,7 @@ class ClockMock
     {
         $self = \get_called_class();
 
-        $mockedNs = [substr($class, 0, strrpos($class, '\\'))];
+        $mockedNs = array(substr($class, 0, strrpos($class, '\\')));
         if (0 < strpos($class, '\\Tests\\')) {
             $ns = str_replace('\\Tests\\', '\\', $class);
             $mockedNs[] = substr($ns, 0, strrpos($ns, '\\'));