diff --git a/zebra/ChangeLog b/zebra/ChangeLog
index 72245eb..dced676 100644
--- a/zebra/ChangeLog
+++ b/zebra/ChangeLog
@@ -1,3 +1,8 @@
+2006-08-04 Paul Jakma <paul.jakma@sun.com>
+
+	* misc_null.c: Add ifstat_update_sysctl, add another required
+	  header.
+
 2006-08-02 Andrew J. Schorr <ajschorr@alumni.princeton.edu>
 
 	* misc_null.c: Must include header files to get older versions of gcc
diff --git a/zebra/misc_null.c b/zebra/misc_null.c
index b6a124f..7359430 100644
--- a/zebra/misc_null.c
+++ b/zebra/misc_null.c
@@ -3,7 +3,9 @@
 #include "prefix.h"
 #include "zebra/rtadv.h"
 #include "zebra/irdp.h"
+#include "zebra/interface.h"
 
 void ifstat_update_proc (void) { return; }
 #pragma weak rtadv_config_write = ifstat_update_proc
 #pragma weak irdp_config_write = ifstat_update_proc
+#pragma weak ifstat_update_sysctl = ifstat_update_proc