diff --git a/src/python/devtest/os/be/shellcmd/Machine.py b/src/python/devtest/os/be/shellcmd/Machine.py
index e46f7b2..aab67d9 100644
--- a/src/python/devtest/os/be/shellcmd/Machine.py
+++ b/src/python/devtest/os/be/shellcmd/Machine.py
@@ -19,6 +19,9 @@ class Machine(MachineBase): # export
             'request-power-on': "jw-switch-allesnix.sh on",
             'cleanup'         : None
         }
+        for key in self.__cmds.keys():
+            if 'cmd.' + key in env.be_opts.keys():
+                self.__cmds[key] = env.be_opts['cmd.' + key]
 
     async def __run(self, phase):
         cmd = None