diff --git a/build.xml b/build.xml
index 4f102aae14..cf01d016a5 100644
--- a/build.xml
+++ b/build.xml
@@ -327,6 +327,8 @@
       <copy todir="${dist.dir}/interface">
         <fileset dir="interface">
           <include name="**/*.thrift" />
+          <include name="cassandra.genavro" />
+          <include name="avro/cassandra.avpr" />
         </fileset>
       </copy>      
       <copy todir="${dist.dir}/">