diff --git a/Misc/ACKS b/Misc/ACKS
index 2e32bb8..c836df6 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -424,6 +424,7 @@
 Mark Perrego
 Tim Peters
 Chris Petrilli
+Bjorn Pettersen
 Geoff Philbrick
 Gavrie Philipson
 Adrian Phillips