diff --git a/demo/vagrant/cloud-config.yml.in b/demo/vagrant/cloud-config.yml.in
index 9815b7f87..9d2f64ea6 100644
--- a/demo/vagrant/cloud-config.yml.in
+++ b/demo/vagrant/cloud-config.yml.in
@@ -1,6 +1,8 @@
 #cloud-config
 
 coreos:
+  update:
+    reboot-strategy: off
   etcd2:
     discovery: %%token%%
     advertise-client-urls: http://$public_ipv4:2379