diff --git a/drivers/xen/Kconfig b/drivers/xen/Kconfig
index a3d7afb86ae4..a59638b37c1a 100644
--- a/drivers/xen/Kconfig
+++ b/drivers/xen/Kconfig
@@ -76,6 +76,7 @@ config XEN_XENBUS_FRONTEND
 config XEN_GNTDEV
 	tristate "userspace grant access device driver"
 	depends on XEN
+	default m
 	select MMU_NOTIFIER
 	help
 	  Allows userspace processes to use grants.
@@ -83,6 +84,7 @@ config XEN_GNTDEV
 config XEN_GRANT_DEV_ALLOC
 	tristate "User-space grant reference allocator driver"
 	depends on XEN
+	default m
 	help
 	  Allows userspace processes to create pages with access granted
 	  to other domains. This can be used to implement frontend drivers