diff --git a/scripts/uncloud b/scripts/uncloud
index 7d38e42..9517b01 100755
--- a/scripts/uncloud
+++ b/scripts/uncloud
@@ -82,6 +82,7 @@ if __name__ == '__main__':
             main(arguments)
         except UncloudException as err:
             log.error(err)
+            sys.exit(1)
 #        except ConnectionFailedError as err:
 #            log.error('Cannot connect to etcd: {}'.format(err))
         except Exception as err: