diff --git a/run-tests.php b/run-tests.php
index 753e1ddc0236..160079b251f7 100755
--- a/run-tests.php
+++ b/run-tests.php
@@ -1,4 +1,4 @@
-#!/usr/bin/php
+#!/usr/bin/env php
 <?php
 /*
    +----------------------------------------------------------------------+