diff --git a/en_US.ISO8859-1/articles/contributors/contrib.additional.xml b/en_US.ISO8859-1/articles/contributors/contrib.additional.xml
index 6f7abd49f1..8ccb714617 100644
--- a/en_US.ISO8859-1/articles/contributors/contrib.additional.xml
+++ b/en_US.ISO8859-1/articles/contributors/contrib.additional.xml
@@ -474,6 +474,11 @@
       <email>yerenkow@gmail.com</email></para>
   </listitem>
 
+  <listitem>
+    <para>Alexander Sieg
+      <email>alex@xanderio.de</email></para>
+  </listitem>
+
   <listitem>
     <para>Alexander Zagrebin
       <email>alexz@visp.ru</email></para>