diff --git a/net/neighbor/neighbor_initialize.c b/net/neighbor/neighbor_initialize.c
index 34f6191f5b..ce4ebdb562 100644
--- a/net/neighbor/neighbor_initialize.c
+++ b/net/neighbor/neighbor_initialize.c
@@ -109,7 +109,7 @@ void neighbor_setup(void)
  *
  ****************************************************************************/
 
-void neighbor_initialize(void);
+void neighbor_initialize(void)
 {
   /* Initialize the time of the last poll */