diff --git a/core/src/main/resources/struts-default.xml b/core/src/main/resources/struts-default.xml
index e7da607c2..ecb5936c5 100644
--- a/core/src/main/resources/struts-default.xml
+++ b/core/src/main/resources/struts-default.xml
@@ -297,6 +297,8 @@
        </interceptors>
 
         <default-interceptor-ref name="defaultStack"/>
+
+        <default-class-ref class="com.opensymphony.xwork2.ActionSupport" />
     </package>
 
 </struts>