diff --git a/Misc/ACKS b/Misc/ACKS
index 5536ac6..6f2c2a1 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -717,6 +717,7 @@
 Amrit Prem
 Paul Prescod
 Donovan Preston
+Jyrki Pulliainen
 Steve Purcell
 Fernando Pérez
 Eduardo Pérez