diff --git a/plugin-parent/maven.xml b/plugin-parent/maven.xml
index 5316c342..1eec0f3c 100644
--- a/plugin-parent/maven.xml
+++ b/plugin-parent/maven.xml
@@ -38,6 +38,9 @@
   </postGoal>
 
   <postGoal name="site:deploy">
+    <j:if test="${empty(executionDir)}">
+      <j:set var="executionDir" value="${basedir}" />
+    </j:if>
     <maven:maven
       descriptor="${executionDir}/../project.xml"
       goals="confirm-and-deploy-site"