diff --git a/samples/mtom/client/jaxws/build.xml b/samples/mtom/client/jaxws/build.xml
index 2960ddb1..84f817f3 100644
--- a/samples/mtom/client/jaxws/build.xml
+++ b/samples/mtom/client/jaxws/build.xml
@@ -67,6 +67,7 @@
 
     <target name="run" depends="build">
         <java classname="org.springframework.ws.samples.mtom.client.jaxws.Main" fork="true" failonerror="true">
+            <jvmarg value="-Djava.awt.headless=true"/>
             <arg path="../spring-ws-logo.png"/>
             <classpath refid="compile.classpath"/>
             <classpath refid="runtime.classpath"/>
diff --git a/samples/mtom/src/main/webapp/WEB-INF/spring-ws-servlet.xml b/samples/mtom/src/main/webapp/WEB-INF/spring-ws-servlet.xml
index 0d0f2e27..acd04225 100644
--- a/samples/mtom/src/main/webapp/WEB-INF/spring-ws-servlet.xml
+++ b/samples/mtom/src/main/webapp/WEB-INF/spring-ws-servlet.xml
@@ -16,6 +16,7 @@
 
     <bean id="marshaller" class="org.springframework.oxm.jaxb.Jaxb2Marshaller">
         <property name="contextPath" value="org.springframework.ws.samples.mtom.schema"/>
+        <property name="mtomEnabled" value="true"/>
     </bean>
 
     <bean id="mtom" class="org.springframework.ws.wsdl.wsdl11.DynamicWsdl11Definition">