diff --git a/index.php b/index.php
index ae90bba..bee5f0e 100644
--- a/index.php
+++ b/index.php
@@ -2,5 +2,5 @@
 header('Content-Type: text/plain; version=0.0.4');
 $config = getenv('CONFIG_FILE'); 
 $phpbin = getenv('PHP_BINARY');
-$output = shell_exec('CONFIG_FILE="' . $config . '" ' . $phpbin . ' script.php');
+$output = shell_exec('CONFIG_FILE="' . $config . '" ' . $phpbin . ' ' . $_SERVER['DOCUMENT_ROOT'] . 'script.php');
 echo $output;