diff --git a/lib/_autoload.php b/lib/_autoload.php
index d81930095ee9fd89b333ca064d20f2ca7eb5676e..7548e5852ab1c3d3c699b76ea9b3e87095b4f459 100644
--- a/lib/_autoload.php
+++ b/lib/_autoload.php
@@ -9,11 +9,11 @@
  */
 
 // SSP is loaded as a separate project
-$libpath = \SimpleSAML\Utils\System::resolvePath(dirname(dirname(__FILE__)).'/vendor/autoload.php'));
+$libpath = \SimpleSAML\Utils\System::resolvePath(dirname(dirname(__FILE__)).'/vendor/autoload.php');
 if (file_exists($libpath) {
     require_once $libpath;
 } else {  // SSP is loaded as a library
-    $libpath = \SimpleSAML\Utils\System::resolvePath(dirname(dirname(__FILE__)).'/../../autoload.php'));
+    $libpath = \SimpleSAML\Utils\System::resolvePath(dirname(dirname(__FILE__)).'/../../autoload.php');
     if (file_exists($libpath) {
         require_once $libpath;
     } else {