diff --git a/THANKS b/THANKS
index 4d051c81..8e66820f 100644
--- a/THANKS
+++ b/THANKS
@@ -34,6 +34,7 @@ has been important. :-) In alphabetical order:
   - Ralf Wildenhues
   - Charles Wilson
   - Lars Wirzenius
+  - Pilorz Wojciech
   - Andreas Zieringer
 
 Also thanks to all the people who have participated in the Tukaani project.