diff --git a/platform/msb430/contiki-msb430-main.c b/platform/msb430/contiki-msb430-main.c
index 18376401c..7399adfda 100644
--- a/platform/msb430/contiki-msb430-main.c
+++ b/platform/msb430/contiki-msb430-main.c
@@ -139,6 +139,7 @@ main(void)
 #endif /* PROFILE_CONF_ON */
     do {
       /* Reset watchdog. */
+      watchdog_periodic();
       r = process_run();
     } while(r > 0);