diff --git a/en_US.ISO8859-1/articles/contributors/contrib.additional.xml b/en_US.ISO8859-1/articles/contributors/contrib.additional.xml
index f07ebbd328..bbe6741f2e 100644
--- a/en_US.ISO8859-1/articles/contributors/contrib.additional.xml
+++ b/en_US.ISO8859-1/articles/contributors/contrib.additional.xml
@@ -11109,6 +11109,11 @@
       <email>darcsis@gmail.com</email></para>
   </listitem>
 
+  <listitem>
+    <para>Wei Zhao
+      <email>amutu@amutu.com</email></para>
+  </listitem>
+
   <listitem>
     <para>Werner Griessl
       <email>werner@btp1da.phy.uni-bayreuth.de</email></para>