--- a/pppd/plugins/pptp/pptp.c
+++ b/pppd/plugins/pptp/pptp.c
@@ -48,7 +48,7 @@
 
 #include "pptp_callmgr.h"
 #include <net/if.h>
-#include <net/ethernet.h>
+#include <linux/if_ether.h>
 #include <linux/if_pppox.h>
 
 #include <stdio.h>
