diff --git a/scenes/pribor-externals/externals.gd b/scenes/pribor-externals/externals.gd
index ad8ff89..13575b0 100644
--- a/scenes/pribor-externals/externals.gd
+++ b/scenes/pribor-externals/externals.gd
@@ -7,7 +7,7 @@ func _ready() -> void:
     if Engine.is_editor_hint():
         return
     for unit_inst in network.units.values():
-        var unit_panel = UnitPanel.instantiate() as Control
+        var unit_panel = UnitPanel.instantiate()
         unit_panel.fname = unit_inst.name
         $grid.add_child(unit_panel)
         unit_inst.connect('line_changed', on_line_changed.bind(unit_panel))