diff --git a/_test/tests/inc/tar.test.php b/_test/tests/inc/tar.test.php
index 76037d4012f9b2c7ccf14e9d9a1a32f9a1a4f7e6..15453b16db94295bc31b5ff2ba4231b17b478b35 100644
--- a/_test/tests/inc/tar.test.php
+++ b/_test/tests/inc/tar.test.php
@@ -7,6 +7,7 @@ class Tar_TestCase extends DokuWikiTest {
     protected $extensions = array('tar');
 
     public function setUp() {
+        parent::setUp();
         if (extension_loaded('zlib')) {
             $this->extensions[] = 'tgz';
         }