--- a/tools/checkstyle.xml	Sat Mar 13 19:32:31 2010 +0100
+++ b/tools/checkstyle.xml	Sat Mar 13 20:04:27 2010 +0100
@@ -202,7 +202,7 @@
   </module>
   <module name="RegexpHeader">
     <property name="severity" value="error"/>
-    <property name="headerFile" value="tools/JavaHeaderCheck.regex"/>
+    <property name="headerFile" value="${basedir}/tools/JavaHeaderCheck.regex"/>
     <property name="multiLines" value="5, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38"/>
   </module>
 </module>