diff --git a/core/ctk/ctk.c b/core/ctk/ctk.c
index b6fe9872b..a6e75085e 100644
--- a/core/ctk/ctk.c
+++ b/core/ctk/ctk.c
@@ -44,7 +44,7 @@
  *
  * This file is part of the Contiki operating system.
  *
- * $Id: ctk.c,v 1.20 2009/02/25 09:01:38 adamdunkels Exp $
+ * $Id: ctk.c,v 1.21 2009/02/25 09:13:51 adamdunkels Exp $
  *
  */
 
@@ -1169,7 +1169,7 @@ activate(CC_REGISTER_ARG struct ctk_widget *w)
    function pointers cannot be NULL. ctk_textentry_input is typedef'd
    in ctk/ctk.h, hence the strange-looking function signature. */
 unsigned char
-ctk_textentry_input_null(ctk_arch_key_t c, struct ctk_textentry *t);
+ctk_textentry_input_null(ctk_arch_key_t c, struct ctk_textentry *t)
 {
 
 }