diff -r 6cc579ba2472 -r e61f24684a69 rt/vm/pom.xml
--- a/rt/vm/pom.xml	Sun Apr 14 22:35:00 2013 +0200
+++ b/rt/vm/pom.xml	Mon Apr 29 14:39:27 2013 +0200
@@ -86,6 +86,7 @@
                      <configuration>
                          <executable>java</executable>
                         <arguments>
+                            <argument>-Dskip.if.exists=true</argument>
                             <argument>-cp</argument>
                             <classpath />
                             <argument>org.apidesign.vm4brwsr.Main</argument>