diff --git a/sys/net/if_dl.h b/sys/net/if_dl.h
--- a/sys/net/if_dl.h
+++ b/sys/net/if_dl.h
@@ -32,6 +32,8 @@
 #ifndef _NET_IF_DL_H_
 #define _NET_IF_DL_H_
 
+#include <sys/_types.h>
+
 /*
  * A Link-Level Sockaddr may specify the interface in one of two
  * ways: either by means of a system-provided index number (computed
@@ -65,7 +67,7 @@
 				   contains both if name and ll address */
 };
 
-#define LLADDR(s) ((caddr_t)((s)->sdl_data + (s)->sdl_nlen))
+#define LLADDR(s) (&(s)->sdl_data[(s)->sdl_nlen])
 #define LLINDEX(s) ((s)->sdl_index)
 
 #ifdef _KERNEL