diff --git a/en_US.ISO8859-1/articles/contributors/contrib.additional.xml b/en_US.ISO8859-1/articles/contributors/contrib.additional.xml
index 3bb440bcff..a15edecf4d 100644
--- a/en_US.ISO8859-1/articles/contributors/contrib.additional.xml
+++ b/en_US.ISO8859-1/articles/contributors/contrib.additional.xml
@@ -5686,6 +5686,11 @@
 	<email>copan@ppp.fastnet.or.jp</email></para>
     </listitem>
 
+    <listitem>
+      <para>Koichiro IWAO
+	<email>meta@vmeta.jp</email></para>
+    </listitem>
+
     <listitem>
       <para>Konrad Heuer
 	<email>kheuer@gwdu60.gwdg.de</email></para>