diff --git a/build.xml b/build.xml
index c11e1df28..f5ffd044d 100644
--- a/build.xml
+++ b/build.xml
@@ -577,6 +577,9 @@
           <exclude name="org/apache/tools/ant/taskdefs/TaskdefsTest.java" />
           <exclude name="org/apache/tools/ant/util/regexp/RegexpMatcherTest.java" />
 
+          <!-- these tests need to be localised before being ran???? -->
+          <exclude name="org/apache/tools/ant/taskdefs/optional/PvcsTest.java" />
+
           <!-- these depend on order -->
           <exclude name="org/apache/tools/ant/taskdefs/GUnzipTest.java" />
           <exclude name="org/apache/tools/ant/taskdefs/GzipTest.java" />