diff --git a/en_US.ISO8859-1/articles/contributors/article.sgml b/en_US.ISO8859-1/articles/contributors/article.sgml
index b3be8726c0..e8149c097a 100644
--- a/en_US.ISO8859-1/articles/contributors/article.sgml
+++ b/en_US.ISO8859-1/articles/contributors/article.sgml
@@ -4701,6 +4701,10 @@
         <para>Martin Kammerhofer <email>dada@sbox.tu-graz.ac.at</email></para>
       </listitem>
 
+      <listitem>
+        <para>Martin Karlsson <email>martin.karlsson@visit.se</email></para>
+      </listitem>
+
       <listitem>
         <para>Martin Matuska <email>matuska@wu-wien.ac.at</email></para>
       </listitem>