diff --git a/library/Icinga/Web/LessCompiler.php b/library/Icinga/Web/LessCompiler.php
index 16514cf6d..791fdbab0 100644
--- a/library/Icinga/Web/LessCompiler.php
+++ b/library/Icinga/Web/LessCompiler.php
@@ -41,7 +41,7 @@ class LessCompiler
      */
     public function __construct()
     {
-        require_once 'IcingaVendor/lessphp/lessc.inc.php';
+        require_once 'lessphp/lessc.inc.php';
         $this->lessc = new lessc();
 
         $this->lessc->setVariables(