diff --git a/scripts/tcp5p28.gd b/scripts/tcp5p28.gd
index b8a4d510..49dde773 100644
--- a/scripts/tcp5p28.gd
+++ b/scripts/tcp5p28.gd
@@ -214,4 +214,4 @@ class TCP5P28 extends unit.Unit:
         tx_stack.append(data_to_send)
 
     func on_setting_changed():
-        ext_cu = ProjectSettings.get_setting('application/config/external_cu', false)
+        ext_cu = ProjectSettings.get_setting('application/config/Внешнее управление', false)