diff --git a/Tools/buildbot/test.bat b/Tools/buildbot/test.bat
index 7879046..d9abc1b 100644
--- a/Tools/buildbot/test.bat
+++ b/Tools/buildbot/test.bat
@@ -1,4 +1,4 @@
 @rem Used by the buildbot "test" step.
 cd PCbuild
-call rt.bat -d -q -uall -rw -n
+call rt.bat -d -q -uall -rwW -n