diff --git a/src/hal/avr/watchdog.cpp b/src/hal/avr/watchdog.cpp
index 86f1b52..7717b58 100644
--- a/src/hal/avr/watchdog.cpp
+++ b/src/hal/avr/watchdog.cpp
@@ -1,4 +1,5 @@
 #include "../watchdog.h"
+#include <avr/wdt.h>
 
 namespace hal {
 namespace watchdog {
@@ -7,8 +8,12 @@ void Enable(uint16_t period) {
     // @@TODO
 }
 
+void Disable() {
+    wdt_disable();
+}
+
 void Reset() {
-    asm("wdr");
+    wdt_reset();
 }
 
 } // namespace watchdog
diff --git a/src/hal/watchdog.h b/src/hal/watchdog.h
index c585281..592f6f3 100644
--- a/src/hal/watchdog.h
+++ b/src/hal/watchdog.h
@@ -8,6 +8,7 @@ namespace watchdog {
 
 /// watchdog interface
 void Enable(uint16_t period);
+void Disable();
 void Reset();
 
 } // namespace watchdog