diff --git a/contributors.txt b/contributors.txt
index d40bacd5f..a6abdb2f1 100644
--- a/contributors.txt
+++ b/contributors.txt
@@ -221,3 +221,4 @@ YYYY/MM/DD, github id, Full name, email
 2019/07/11, olowo726, Olof Wolgast, olof@baah.se
 2019/07/16, abhijithneilabraham, Abhijith Neil Abraham, abhijithneilabrahampk@gmail.com
 2019/07/26, Braavos96, Eric Hettiaratchi, erichettiaratchi@gmail.com
+2019/08/27, wurzelpeter, Markus Franke, markus[hyphen]franke[at]web[dot]de