diff --git a/tests/AllTests.php b/tests/AllTests.php
index ece6d6d..23ad25e 100644
--- a/tests/AllTests.php
+++ b/tests/AllTests.php
@@ -19,6 +19,8 @@ if (!defined('PHPUnit_MAIN_METHOD')) {
 require_once 'prepare.php';
 require_once 'PHPUnit/Framework/TestSuite.php';
 
+PHPUnit_Util_Filter::addFileToFilter(__FILE__);
+
 /**
  * SemanticScuttle unit tests.
  *
diff --git a/tests/TestBase.php b/tests/TestBase.php
index f9946e2..86519f3 100644
--- a/tests/TestBase.php
+++ b/tests/TestBase.php
@@ -13,6 +13,8 @@
 
 require_once 'PHPUnit/Framework.php';
 
+PHPUnit_Util_Filter::addFileToFilter(__FILE__);
+
 /**
  * Base unittest class that provides several helper methods.
  *