diff --git a/Misc/ACKS b/Misc/ACKS
index bad2c51..1e06e49 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -988,6 +988,7 @@
 Roumen Petrov
 Bjorn Pettersen
 Justin D. Pettit
+Esa Peuha
 Ronny Pfannschmidt
 Geoff Philbrick
 Gavrie Philipson