diff --git a/proposal/myrmidon/build.xml b/proposal/myrmidon/build.xml
index a81108d19..60aea8cf4 100644
--- a/proposal/myrmidon/build.xml
+++ b/proposal/myrmidon/build.xml
@@ -109,9 +109,13 @@ Legal:
          basedir="${build.classes}" 
          manifest="${manifest.dir}/myrmidon-manifest.mf">
       <include name="org/apache/**" />
-      <exclude name="org/apache/ant/launcher/*" />
-      <exclude name="org/apache/ant/tasks/**" />
-      <exclude name="org/apache/ant/convert/core/**" />
+      <exclude name="org/apache/myrmidon/launcher/*" />
+      <exclude name="org/apache/ant/**" />
+
+      <zipfileset dir="${manifest.dir}" fullpath="META-INF/ant-roles.xml">
+        <include name="base-ant-roles.xml"/>
+      </zipfileset>
+
     </jar>
 
     <jar jarfile="${build.lib}/core.tsk" basedir="${build.classes}">