port bug fix change from 0.10

1 files changed, 2 insertions, 1 deletions

diff --git a/bin/vmdebootstrap b/bin/vmdebootstrap
index a5cec40..db88d35 100755
--- a/bin/vmdebootstrap
+++ b/bin/vmdebootstrap
@@ -214,7 +214,8 @@ class VmDebootstrap(cliapp.Application):  # pylint: disable=too-many-public-meth
         if not self.settings['use-uefi'] and self.settings['esp-size'] != 5242880:
             raise cliapp.AppException(
                 'You must specify use-uefi for esp-size to have effect')
-        if arch_table[self.settings['arch']]['exclusive'] and\
+        if self.settings['arch'] in arch_table and\
+                arch_table[self.settings['arch']]['exclusive'] and\
                 not self.settings['use-uefi']:
             raise cliapp.AppException(
                 'Only UEFI is supported on %s' % self.settings['arch'])