diff --git a/Misc/ACKS b/Misc/ACKS
index f0cfb81cc3d..ddaf16a7859 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -310,6 +310,7 @@ Christopher J. Phoenix
 Neale Pickett
 Dan Pierson
 François Pinard
+John Popplewell
 Amrit Prem
 Paul Prescod
 Eric Raymond