diff --git a/xen/Makefile b/xen/Makefile
index 8abc71cf73..90a29782db 100644
--- a/xen/Makefile
+++ b/xen/Makefile
@@ -2,7 +2,7 @@
 # All other places this is stored (eg. compile.h) should be autogenerated.
 export XEN_VERSION       = 4
 export XEN_SUBVERSION    = 16
-export XEN_EXTRAVERSION ?= .1$(XEN_VENDORVERSION)
+export XEN_EXTRAVERSION ?= .2-pre$(XEN_VENDORVERSION)
 export XEN_FULLVERSION   = $(XEN_VERSION).$(XEN_SUBVERSION)$(XEN_EXTRAVERSION)
 -include xen-version