diff --git a/core/net/mac/lpp.c b/core/net/mac/lpp.c
index 660a9d961..c4c4bd758 100644
--- a/core/net/mac/lpp.c
+++ b/core/net/mac/lpp.c
@@ -28,7 +28,7 @@
  *
  * This file is part of the Contiki operating system.
  *
- * $Id: lpp.c,v 1.8 2009/02/11 11:08:56 adamdunkels Exp $
+ * $Id: lpp.c,v 1.9 2009/02/20 21:22:39 adamdunkels Exp $
  */
 
 /**
@@ -51,7 +51,7 @@
  */
 
 #include "dev/leds.h"
-
+#include "lib/random.h"
 #include "net/rime.h"
 #include "net/mac/mac.h"
 #include "net/mac/lpp.h"