diff --git a/sdk_container/src/third_party/coreos-overlay/coreos-base/oem-vagrant-virtualbox/files/grub.cfg b/sdk_container/src/third_party/coreos-overlay/coreos-base/oem-vagrant-virtualbox/files/grub.cfg
index d062e9c0be..589ddb7654 100644
--- a/sdk_container/src/third_party/coreos-overlay/coreos-base/oem-vagrant-virtualbox/files/grub.cfg
+++ b/sdk_container/src/third_party/coreos-overlay/coreos-base/oem-vagrant-virtualbox/files/grub.cfg
@@ -1,3 +1,3 @@
 # CoreOS GRUB settings
 
-set oem_id="virtualbox"
+set oem_id="vagrant-virtualbox"