diff --git a/sourcetree-merge-request-opener b/sourcetree-merge-request-opener
index 6f54f18..9b49749 100755
--- a/sourcetree-merge-request-opener
+++ b/sourcetree-merge-request-opener
@@ -1,4 +1,4 @@
-#!/usr/local/bin/php
+#!/usr/bin/env php
 <?php
 
 foreach (array(__DIR__ . '/../../autoload.php', __DIR__ . '/../vendor/autoload.php', __DIR__ . '/vendor/autoload.php') as $file) {