diff --git a/CREDITS.txt b/CREDITS.txt
index 94fafc160..5a145fc7a 100644
--- a/CREDITS.txt
+++ b/CREDITS.txt
@@ -1559,3 +1559,4 @@ Hans-Georg Böhm
 Tiberiu Atudorei
 Alessandro Apostoli (Yaapu!)
 Kenneth Bonerigo
+Frits van Voorst