diff --git a/doc/AUTHORS b/doc/AUTHORS
index e14e92732..8dc5a3039 100644
--- a/doc/AUTHORS
+++ b/doc/AUTHORS
@@ -85,3 +85,7 @@ Chrissy McManus
 Oskar Wallgren
   <oskar/dot/wallgren13/at/gmail/dot/com>
   Development
+
+Michael Gregorius
+  <michael/dot/gregorius/dot/git/at/arcor/dot/de>
+  Development