--- VMBuilder/contrib/cli.py	2010-03-26 19:40:14.000000000 -0700
+++ /usr/share/pyshared/VMBuilder/contrib/cli.py	2010-04-06 11:59:36.602648553 -0700
@@ -199,10 +199,10 @@
                 if self.options.raw:
                     disk = hypervisor.add_disk(filename=self.options.raw)
                 else:
-                    size = rootsize + swapsize + optsize
+                    size = 1 + rootsize + swapsize + optsize
                     tmpfile = util.tmpfile(keep=False)
                     disk = hypervisor.add_disk(tmpfile, size='%dM' % size)
-                offset = 0
+                offset = 1
                 disk.add_part(offset, rootsize, default_filesystem, '/')
                 offset += rootsize
                 disk.add_part(offset, swapsize, 'swap', 'swap')