diff --git a/kernel/config-4.14.x-x86_64 b/kernel/config-4.14.x-x86_64
index eb95778fc..892e244c6 100644
--- a/kernel/config-4.14.x-x86_64
+++ b/kernel/config-4.14.x-x86_64
@@ -3857,6 +3857,7 @@ CONFIG_SECURITY=y
 # CONFIG_SECURITY_WRITABLE_HOOKS is not set
 CONFIG_SECURITYFS=y
 CONFIG_SECURITY_NETWORK=y
+CONFIG_PAGE_TABLE_ISOLATION=y
 CONFIG_SECURITY_NETWORK_XFRM=y
 CONFIG_SECURITY_PATH=y
 CONFIG_HAVE_HARDENED_USERCOPY_ALLOCATOR=y