diff --git a/_test/core/DokuWikiTest.php b/_test/core/DokuWikiTest.php
index 89a98a45ed75f77f80e07007e5119706b5561f4d..08f6e5c97a929c27ada7db97f6ed13e32e24d511 100644
--- a/_test/core/DokuWikiTest.php
+++ b/_test/core/DokuWikiTest.php
@@ -2,7 +2,7 @@
 /**
  * Helper class to provide basic functionality for tests
  */
-abstract class DokuWikiTest extends PHPUnit_Framework_TestCase {
+abstract class DokuWikiTest extends PHPUnit\Framework\TestCase {
 
     /**
      * tests can override this
diff --git a/_test/tests/inc/io_replaceinfile.test.php b/_test/tests/inc/io_replaceinfile.test.php
index d517584e186c7c5c749e293cf2411bb354b9c2e9..f478f944a84c652b3bc77bac49504da4d1888d9c 100644
--- a/_test/tests/inc/io_replaceinfile.test.php
+++ b/_test/tests/inc/io_replaceinfile.test.php
@@ -98,7 +98,7 @@ class io_replaceinfile_test extends DokuWikiTest {
     /**
      * Test passing an invalid parameter.
      *
-     * @expectedException PHPUnit_Framework_Error_Warning
+     * @expectedException PHPUnit\Framework\Error\Warning
      */
     function test_badparam()
     {