diff --git a/screening/build/build.xml b/screening/build/build.xml
index 6dc0cec6d158fbd7233f249e42af2fd7a2884964..86450729b70d26c9c608db679b32b67fc3a3574b 100644
--- a/screening/build/build.xml
+++ b/screening/build/build.xml
@@ -397,6 +397,7 @@
       <zipfileset src="${lib}/jline/jline.jar" />     
       <zipfileset src="${lib}/cisd-args4j/cisd-args4j.jar" />     
       <zipfileset src="${lib}/cisd-base/cisd-base.jar" />     
+      <zipfileset src="${lib}/jython/standalone/jython.jar" />     
   	</recursive-jar>
   	<recursive-jar destfile="${dist.screening-api-batteries-included.jar}">
       <zipfileset src="${dist.screening-api.lib}/spring-ext.jar" />