diff --git a/deptrac.php b/deptrac.php
index 85e0af989..9bc9dd26c 100755
--- a/deptrac.php
+++ b/deptrac.php
@@ -9,7 +9,9 @@
 }
 
 (static function (): void {
-    require_once __DIR__.'/vendor/autoload.php';
+    if (\file_exists($autoload = __DIR__.'/vendor/autoload.php')) {
+        require_once $autoload;
+    }
 })();
 
 (static function (): void {