diff --git a/CREDITS.txt b/CREDITS.txt
index 57f73b857..cf33fea90 100644
--- a/CREDITS.txt
+++ b/CREDITS.txt
@@ -1329,3 +1329,4 @@ Harald Puff
 Mike Frizell
 James A Davey
 Ronald Fahlbusch
+Piet Teekens