diff --git a/en_US.ISO8859-1/articles/contributors/contrib.additional.xml b/en_US.ISO8859-1/articles/contributors/contrib.additional.xml
index e76848cd0f..a99d750cda 100644
--- a/en_US.ISO8859-1/articles/contributors/contrib.additional.xml
+++ b/en_US.ISO8859-1/articles/contributors/contrib.additional.xml
@@ -11847,6 +11847,11 @@
       <email>mouse@Collatz.McRCIM.McGill.EDU</email></para>
   </listitem>
 
+  <listitem>
+    <para>geoffroy desvernay
+      <email>dgeo@centrale-marseille.fr</email></para>
+  </listitem>
+
   <listitem>
     <para>gspu
       <email>gspurki@gmail.com</email></para>