diff --git a/print-null.c b/print-null.c
index 166f777..14df5fd 100644
--- a/print-null.c
+++ b/print-null.c
@@ -19,16 +19,17 @@
  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  */
 
-#define NETDISSECT_REWORKED
+/* \summary: BSD loopback device printer */
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#include <tcpdump-stdinc.h>
+#include <netdissect-stdinc.h>
 
 #include <string.h>
 
-#include "interface.h"
+#include "netdissect.h"
 #include "af.h"
 
 /*
@@ -83,7 +84,7 @@
 		return (NULL_HDRLEN);
 	}
 
-	memcpy((char *)&family, (char *)p, sizeof(family));
+	memcpy((char *)&family, (const char *)p, sizeof(family));
 
 	/*
 	 * This isn't necessarily in our host byte order; if this is