diff --git a/AUTHORS b/AUTHORS
index 62cba0a12efcf1a796f5b7b8ddf22884cca87dae..647679e662e890892dc0d2dd50a03fc317c59413 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -177,3 +177,7 @@ documentation and additional help.
   
 * Tobias Göbel
   Fixes for PHP7 compatibility
+
+* Christian Kreidl <christian.kreidl@ziti.uni-heidelberg.de>
+  ppolicy improvement
+