diff --git a/src/python/jw/pkg/lib/App.py b/src/python/jw/pkg/lib/App.py
index 17f7a497..9832bff2 100644
--- a/src/python/jw/pkg/lib/App.py
+++ b/src/python/jw/pkg/lib/App.py
@@ -116,6 +116,9 @@ class App: # export
 
         try:
             ret = await self._run(self.__args)
+            if isinstance(ret, int) and ret >= 0 and ret <= 0xFF:
+                exit_status = ret
+
         except Exception as e:
             log(ERR, repr(e) if self.__back_trace else str(e))
             exit_status = 1