diff --git a/ext/spl/tests/DirectoryIterator_getGroup_basic.phpt b/ext/spl/tests/DirectoryIterator_getGroup_basic.phpt
index 3573d85852f..9cc9fadbeea 100644
--- a/ext/spl/tests/DirectoryIterator_getGroup_basic.phpt
+++ b/ext/spl/tests/DirectoryIterator_getGroup_basic.phpt
@@ -10,7 +10,7 @@ Jacopo Romei <jacopo@sviluppoagile.it>
 #Test Fest Cesena (Italy) on 2009-06-20
 --FILE--
 <?php
-$dirname = basename(__FILE__, '.phpt');
+$dirname = 'DirectoryIterator_getGroup_basic';
 mkdir($dirname);
 $dir = new DirectoryIterator($dirname);
 $expected = filegroup($dirname);
@@ -19,7 +19,7 @@ var_dump($expected == $actual);
 ?>
 --CLEAN--
 <?php
-$dirname = basename(__FILE__, '.phpt');
+$dirname = 'DirectoryIterator_getGroup_basic';
 rmdir($dirname);
 ?>
 --EXPECTF--
diff --git a/ext/spl/tests/DirectoryIterator_getOwner_basic.phpt b/ext/spl/tests/DirectoryIterator_getOwner_basic.phpt
index f02cb6e04e4..c5e9f7c2c64 100644
--- a/ext/spl/tests/DirectoryIterator_getOwner_basic.phpt
+++ b/ext/spl/tests/DirectoryIterator_getOwner_basic.phpt
@@ -10,7 +10,7 @@ Jacopo Romei <jacopo@sviluppoagile.it>
 #Test Fest Cesena (Italy) on 2009-06-20
 --FILE--
 <?php
-$dirname = basename(__FILE__, '.phpt');
+$dirname = 'DirectoryIterator_getOwner_basic';
 mkdir($dirname);
 $dir = new DirectoryIterator($dirname);
 $expected = fileowner($dirname);
@@ -19,7 +19,7 @@ var_dump($expected == $actual);
 ?>
 --CLEAN--
 <?php
-$dirname = basename(__FILE__, '.phpt');
+$dirname = 'DirectoryIterator_getOwner_basic';
 rmdir($dirname);
 ?>
 --EXPECTF--