diff --git a/Misc/ACKS b/Misc/ACKS
index 8b666d4..d209ec0 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -599,6 +599,7 @@
 Jiwon Seo
 Jerry Seutter
 Denis Severson
+Ian Seyer
 Ha Shao
 Bruce Sherwood
 Pete Shinners