diff --git a/full_updater/app.py b/full_updater/app.py
index 3d8e895..ebc400b 100644
--- a/full_updater/app.py
+++ b/full_updater/app.py
@@ -208,7 +208,7 @@ class FullUpdaterApp(App):
             return
         executor = UpgradeExecutor(
             target_id, is_host,
-            on_line=lambda line: self.call_from_thread(log_panel.write, line)
+            on_line=lambda line: log_panel.write(line)
         )
         ok = await executor.run()
         if ok: