diff --git a/src/python/devtest/os/be/qemu/Machine.py b/src/python/devtest/os/be/qemu/Machine.py
index 0aa200a..ff03e2b 100644
--- a/src/python/devtest/os/be/qemu/Machine.py
+++ b/src/python/devtest/os/be/qemu/Machine.py
@@ -361,10 +361,10 @@ class Machine(MachineBase): # export
     async def request_power_on(self, env):
         if self.__running:
             raise Exception("Tried to power on a running Qemu machine")
-        slog(NOTICE, "switching on CPU")
+        slog(NOTICE, "switching on DUT")
         await self.monitor.write(b'cont\n')
         await self.__await_monitor_prompt()
-        slog(NOTICE, "switched on CPU")
+        slog(NOTICE, "switched on DUT")
         self.__running = True
 
     async def wait_up(self, env):
diff --git a/src/python/devtest/os/be/shellcmd/Machine.py b/src/python/devtest/os/be/shellcmd/Machine.py
index b9866fc..e46f7b2 100644
--- a/src/python/devtest/os/be/shellcmd/Machine.py
+++ b/src/python/devtest/os/be/shellcmd/Machine.py
@@ -54,9 +54,9 @@ class Machine(MachineBase): # export
     async def request_power_on(self, env):
         if self.__running:
             raise Exception("Tried to power on a running shell command machine")
-        slog(NOTICE, "switching on CPU")
+        slog(NOTICE, "switching on DUT")
         await self.__run('request-power-on')
-        slog(NOTICE, "switched on CPU")
+        slog(NOTICE, "switched on DUT")
         #await asyncio.sleep(1)
         self.__running = True
         self.__clear_for_tests = True