diff -up src/SpdxLicenses.php.rpm src/SpdxLicenses.php
--- src/SpdxLicenses.php.rpm	2015-07-17 07:41:29.007308656 +0200
+++ src/SpdxLicenses.php	2015-07-17 07:43:40.425973108 +0200
@@ -178,7 +178,7 @@ class SpdxLicenses
      */
     public static function getResourcesDir()
     {
-        return dirname(__DIR__) . '/res';
+        return (getenv('BUILDROOT_SPDX')?:'') . '/usr/share/php-composer-spdx-licenses';
     }
 
     private function loadLicenses()