diff --git a/run-tests2.php b/run-tests2.php
index b214ea0c785..5c3b43efaa2 100644
--- a/run-tests2.php
+++ b/run-tests2.php
@@ -1379,6 +1379,7 @@ class testHarness {
 			   in older php versions.  At least IIS can be configured
 			   to do this. */
 			$args = $env['QUERY_STRING'];
+			$args = "$ini_overwrites $tmp_file \"$args\" 2>&1";
 		} else {
 			$args = $section_text['ARGS'] ? $section_text['ARGS'] : '';
 			$args = "$ini_overwrites $tmp_file $args 2>&1";