diff --git a/etc/modprobe.d/uncommon-network-protocols.conf b/etc/modprobe.d/uncommon-network-protocols.conf
index 474598a..41da209 100644
--- a/etc/modprobe.d/uncommon-network-protocols.conf
+++ b/etc/modprobe.d/uncommon-network-protocols.conf
@@ -3,3 +3,4 @@ install dccp /bin/true
 install sctp /bin/true
 install rds /bin/true
 install tipc /bin/true
+install n-hdlc /bin/true