diff --git a/hw/watchdog/watchdog.c b/hw/watchdog/watchdog.c
index 955046161b..d0ce3c4ac5 100644
--- a/hw/watchdog/watchdog.c
+++ b/hw/watchdog/watchdog.c
@@ -85,7 +85,7 @@ void watchdog_perform_action(void)
         break;
 
     default:
-        assert(0);
+        g_assert_not_reached();
     }
 }