diff --git a/classes/License.class.inc b/classes/License.class.inc
index 22f4229..5d4180e 100644
--- a/classes/License.class.inc
+++ b/classes/License.class.inc
@@ -47,9 +47,10 @@
     return new License('GPL-2.0 WITH Classpath-exception-2.0', 'GNU General Public License, version 2 with the GNU Classpath Exception', 'https://www.gnu.org/software/classpath/license.html');
    case 'GPL-2.0_AE':
     return new License('LicenseRef-GPL-2.0-with-Assembly-exception', 'GNU General Public License, version 2 with OpenJDK Assembly Exception', 'http://openjdk.java.net/legal/assembly-exception.html');
-
+   case 'W3C-20150513':
+    return new License('W3C-20150513', 'W3C Software Notice and Document License (2015-05-13)','https://spdx.org/licenses/W3C-20150513.html#licenseText');
    default:
-    return null;
+    return new License($id, '', '');
   }
  }