diff --git a/CREDITS.txt b/CREDITS.txt
index 972df9c2a..93a63aff1 100644
--- a/CREDITS.txt
+++ b/CREDITS.txt
@@ -1450,3 +1450,4 @@ Edmond Dufresne
 Jaroslav Gazik
 Philippe Desrichard
 Vincent Heron
+Marcel Schäfer