diff --git a/lib/CREDITS b/lib/CREDITS
index d595dc63ed..2281d90b24 100644
--- a/lib/CREDITS
+++ b/lib/CREDITS
@@ -385,6 +385,9 @@
 @bHuang Ying
 @iE-mail: huangy@sh.necas.nec.com.cn
    Gtk frontend
+@bKoji Yokota
+@iE-mail: yokota@res.otaru-uc.ac.jp
+   Japanese translation
 @bAbdelrazak Younes
 @iE-mail: younes.a@free.fr
    Qt4 frontend, editing optimisations