diff --git a/index.php b/index.php
index 8af6d323a..2133f6219 100644
--- a/index.php
+++ b/index.php
@@ -4,9 +4,10 @@ namespace Grav;
 if (version_compare($ver = PHP_VERSION, $req = '5.4.0', '<')) {
     exit(sprintf('You are running PHP %s, but Grav needs at least <strong>PHP %s</strong> to run.', $ver, $req));
 }
+
 $autoload = __DIR__ . '/vendor/autoload.php';
 if (!is_file($autoload)) {
-    exit('Please run: <i>composer install -o</i>');
+    exit('Please run: <i>bin/grav install</i>');
 }
 
 use Grav\Common\Grav;