diff --git a/frontend/device/kobo/device.lua b/frontend/device/kobo/device.lua
index fce57095e..ea62b90b9 100644
--- a/frontend/device/kobo/device.lua
+++ b/frontend/device/kobo/device.lua
@@ -709,7 +709,7 @@ function Kobo:saveSettings()
 end
 
 function Kobo:powerOff()
-    os.execute("poweroff")
+    os.execute("poweroff -f")
 end
 
 function Kobo:reboot()