diff --git a/bacnet-stack/ports/bdk-atxx4-mstp/watchdog.c b/bacnet-stack/ports/bdk-atxx4-mstp/watchdog.c
index cca819e4..0fde5552 100644
--- a/bacnet-stack/ports/bdk-atxx4-mstp/watchdog.c
+++ b/bacnet-stack/ports/bdk-atxx4-mstp/watchdog.c
@@ -99,6 +99,7 @@ void watchdog_init(
         }
         wdt_enable(value);
     } else {
+		MCUSR = 0;
         wdt_disable();
     }
 }