diff --git a/xdoc/plugin.jelly b/xdoc/plugin.jelly
index 1084e99d..5e51a6ad 100644
--- a/xdoc/plugin.jelly
+++ b/xdoc/plugin.jelly
@@ -237,6 +237,9 @@
        
       <util:replace var="fromPattern" oldChar="\" newChar="/" value="${srcdir}/*.xml"/>
       <util:replace var="toPattern" oldChar="\" newChar="/" value="${destdir}/*.html"/>
+      <j:if test="${mapper == null}">
+        <j:new var="mapper" className="org.apache.maven.util.CaseInsensitiveGlobPatternMapper"/>
+      </j:if>
       <j:setProperties object="${mapper}" from="${fromPattern}" to="${toPattern}"/>
 
       <util:replace var="fromDirPattern" oldChar="\" newChar="/" value="${srcdir}*"/>
@@ -302,6 +305,9 @@
         <echo>Generating ${outFile} from ${file}</echo>
         <!-- work out relative path -->
         <util:replace var="docsForward" oldChar="\" newChar="/" value="${srcdir}"/>
+        <j:if test="${pathTool == null}">
+            <j:useBean var="pathTool" class="org.apache.maven.util.DVSLPathTool"/>
+        </j:if>
         <j:set var="relativePath" value="${pathTool.getRelativePath(docsForward, outFileForward)}"/>
 
         <!-- determine nav file to be used: 2. check for nav file -->