diff --git a/en_US.ISO8859-1/articles/contributors/contrib.additional.sgml b/en_US.ISO8859-1/articles/contributors/contrib.additional.sgml
index b843b4da10..9468ac5f61 100644
--- a/en_US.ISO8859-1/articles/contributors/contrib.additional.sgml
+++ b/en_US.ISO8859-1/articles/contributors/contrib.additional.sgml
@@ -1885,6 +1885,11 @@
 	<email>ishijima@tri.pref.osaka.jp</email></para>
     </listitem>
 
+    <listitem>
+      <para>Daisuke Aoyama
+	<email>aoyama@peach.ne.jp</email></para>
+    </listitem>
+
     <listitem>
       <para>Daisuke Watanabe
 	<email>NU7D-WTNB@asahi-net.or.jp</email></para>