diff --git a/struts/plugin.jelly b/struts/plugin.jelly
index c9a5ab8f..d1fc4b47 100644
--- a/struts/plugin.jelly
+++ b/struts/plugin.jelly
@@ -23,8 +23,11 @@
       </classpath>
     </taskdef>
 
+    <j:set var="warBuildDir"
+      value="${pom.getPluginContext('maven-war-plugin').getVariable('maven.war.build.dir')}"/>
+
     <struts10warvalidator
-      warFileName="${maven.war.build.dir}/${pom.artifactId}.war">
+      warFileName="${warBuildDir}/${pom.artifactId}.war">
       <formatter type="plain" usefile="false"/>
     </struts10warvalidator>