diff --git a/screen.py b/screen.py
index 2be5261a..1a026de5 100755
--- a/screen.py
+++ b/screen.py
@@ -1159,6 +1159,7 @@ class KlipperScreen(Gtk.Window):
         self.ws_subscribe()
 
         self.files.set_gcodes_path()
+        self.power_devices(None, self._config.get_main_config().get("screen_on_devices", ""), on=True)
 
         logging.info("Printer initialized")
         self.initialized = True