diff --git a/lib/CREDITS b/lib/CREDITS
index 61c37ff699..bedc66ac07 100644
--- a/lib/CREDITS
+++ b/lib/CREDITS
@@ -163,6 +163,9 @@ IE-mail: ron@18james.com
 @bJohn Levon
 @iE-mail: moz@compsoc.man.ac.uk
    Qt2 frontend, GUII work, bugfixes
+@bTomasz Luczak
+@iE-mail: tlu@technodat.com.pl
+   Polish translation of the Windows installer
 @bJosé Matos
 @iE-mail: jamatos@novalis.fc.up.pt
    linuxdoc sgml support