diff --git a/Misc/ACKS b/Misc/ACKS
index c065f7b7902..bca49603410 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -394,6 +394,7 @@ Adrian Phillips
 Christopher J. Phoenix
 Neale Pickett
 Dan Pierson
+Martijn Pieters
 François Pinard
 Michael Piotrowski
 John Popplewell