diff --git a/test/libraries/PMA_Index_test.php b/test/libraries/PMA_Index_test.php
index 7f7e998bc2..af754c370a 100644
--- a/test/libraries/PMA_Index_test.php
+++ b/test/libraries/PMA_Index_test.php
@@ -404,7 +404,7 @@ class PMA_SetupIndex_Test extends PHPUnit_Framework_TestCase
             $is_writable
         );
 
-        $this->assertFalse(
+        $this->assertTrue(
             $file_exists
         );