diff --git a/scripts/jw-devtest.py b/scripts/jw-devtest.py
index 467971f..4818f8b 100644
--- a/scripts/jw-devtest.py
+++ b/scripts/jw-devtest.py
@@ -1,10 +1,8 @@
 # -*- coding: utf-8 -*-
 
 import jwutils
-from devtest.os import *
+from devtest.os import * # import all commands
 
 jwutils.log.set_filename_length(30)
 
-if jwutils.run_sub_commands('Control Device under Test'):
-    exit(1)
-exit(0)
+exit(jwutils.run_sub_commands('Control Device under Test'))