diff --git a/run-tests.php b/run-tests.php
index 2cd2d62fc13..b858e372e1b 100755
--- a/run-tests.php
+++ b/run-tests.php
@@ -1291,7 +1291,7 @@ COMMAND $cmd
 				settings2params($clean_params);
 				$extra = substr(PHP_OS, 0, 3) !== "WIN" ?
 					"unset REQUEST_METHOD; unset QUERY_STRING; unset PATH_TRANSLATED; unset SCRIPT_FILENAME; unset REQUEST_METHOD;": "";
-				system_with_timeout("$extra $php -q $clean_params $clean_skipif", $env);
+				system_with_timeout("$extra $php -q $clean_params $test_clean", $env);
 			}
 			if (!$cfg['keep']['clean']) {
 				@unlink($test_clean);