diff --git a/core/net/rime/rudolph1.c b/core/net/rime/rudolph1.c
index 41ab48d36..6a4d39481 100644
--- a/core/net/rime/rudolph1.c
+++ b/core/net/rime/rudolph1.c
@@ -28,7 +28,7 @@
  *
  * This file is part of the Contiki operating system.
  *
- * $Id: rudolph1.c,v 1.2 2007/03/25 21:31:24 oliverschmidt Exp $
+ * $Id: rudolph1.c,v 1.3 2007/03/26 22:45:50 oliverschmidt Exp $
  */
 
 /**
@@ -38,6 +38,7 @@
  *         Adam Dunkels <adam@sics.se>
  */
 
+#include <stdio.h>
 #include <stddef.h> /* for offsetof */
 
 #include "net/rime.h"
diff --git a/core/net/uip-over-mesh.c b/core/net/uip-over-mesh.c
index a38528499..fd2cf4c7b 100644
--- a/core/net/uip-over-mesh.c
+++ b/core/net/uip-over-mesh.c
@@ -28,7 +28,7 @@
  *
  * This file is part of the Contiki operating system.
  *
- * $Id: uip-over-mesh.c,v 1.2 2007/03/25 12:13:22 adamdunkels Exp $
+ * $Id: uip-over-mesh.c,v 1.3 2007/03/26 22:45:49 oliverschmidt Exp $
  */
 
 /**
@@ -38,6 +38,8 @@
  *         Adam Dunkels <adam@sics.se>
  */
 
+#include <stdio.h>
+
 #include "net/hc.h"
 #include "net/uip-fw.h"
 #include "net/rime/route-discovery.h"