diff --git a/xdoc/plugin.jelly b/xdoc/plugin.jelly
index 18e5c9e7..15ee901d 100644
--- a/xdoc/plugin.jelly
+++ b/xdoc/plugin.jelly
@@ -431,7 +431,17 @@
 
   <goal name="xdoc:register-reports">
 
-    <j:new var="reports" className="java.util.HashSet"/>
+    <!--
+     | This should be a LinkedHashSet to prevent someone from
+     | registering somthing twice.  Unfortunately, 1.3 does not 
+     | have a LinkedHashSet so I'll leave this here as a reminder
+     | for us someday.  In the meantime, each time this goal is called,
+     | we'll just replace the old List with a new one.  Shouldn't cause
+     | any problmes.  When we do actually use the Set, we can put a check
+     | to see if 'reports' already exists, and if so, do nothing.
+     | <j:new var="reports" className="java.util.LinkedHashSet"/>
+     |-->
+    <j:new var="reports" className="java.util.ArrayList"/>
     <j:set var="dummy" value="${pom.getPluginContext('maven-xdoc-plugin').setVariable('reports', reports)}"/>
 
     <!--