diff --git a/build.xml b/build.xml
index b4781cd387..7a44dfeb60 100644
--- a/build.xml
+++ b/build.xml
@@ -660,7 +660,7 @@ under the License.
 
             <taskdef name="xmlbean"
                      classname="org.apache.xmlbeans.impl.tool.XMLBean"
-                     classpath="${ooxml.xmlbeans23.jar}"/>
+                     classpath="${ooxml.xmlbeans23.jar}.orig"/>
 
             <property name="xmlbean.xsds.dir" location="build/xmlbean-xsds"/>
             <property name="xmlbean.sources.dir" location="build/xmlbean-sources"/>