diff --git a/cmd/gokr-build-kernel/config.txt b/cmd/gokr-build-kernel/config.txt
index bcecb51..122ab53 100644
--- a/cmd/gokr-build-kernel/config.txt
+++ b/cmd/gokr-build-kernel/config.txt
@@ -843,7 +843,7 @@ CONFIG_VXLAN=m
 CONFIG_GENEVE=m
 CONFIG_NETCONSOLE=m
 CONFIG_NETCONSOLE_DYNAMIC=y
-CONFIG_TUN=m
+CONFIG_TUN=y
 CONFIG_VETH=m
 CONFIG_VIRTIO_NET=m
 CONFIG_NLMON=m
diff --git a/vmlinuz b/vmlinuz
index 287f5e7..494dd52 100644
Binary files a/vmlinuz and b/vmlinuz differ