diff --git a/kernel-x86_64.config b/kernel-x86_64.config
index 364658e..4fb1232 100644
--- a/kernel-x86_64.config
+++ b/kernel-x86_64.config
@@ -8528,6 +8528,7 @@ CONFIG_SECURITY=y
 CONFIG_SECURITY_WRITABLE_HOOKS=y
 CONFIG_SECURITYFS=y
 CONFIG_SECURITY_NETWORK=y
+CONFIG_PAGE_TABLE_ISOLATION=y
 # CONFIG_SECURITY_INFINIBAND is not set
 CONFIG_SECURITY_NETWORK_XFRM=y
 CONFIG_SECURITY_PATH=y