diff --git a/networking/udhcp/serverpacket.c b/networking/udhcp/serverpacket.c
index e40432e..8c7b164 100644
--- a/networking/udhcp/serverpacket.c
+++ b/networking/udhcp/serverpacket.c
@@ -1,3 +1,4 @@
+/* vi: set sw=4 ts=4: */
 /* serverpacket.c
  *
  * Construct and send DHCP server packets