diff --git a/rotary_controller_python/components/plot/float_view.py b/rotary_controller_python/components/plot/float_view.py
index 3185a57..85842e7 100644
--- a/rotary_controller_python/components/plot/float_view.py
+++ b/rotary_controller_python/components/plot/float_view.py
@@ -35,7 +35,7 @@ def __init__(self, **kwargs):
         self.app.bind(update_tick=self.update_tick)
 
     def update_tick(self, *arg, **kv):
-        coord_bars: list[CoordBar] = self.app.scales
+        coord_bars: list[CoordBar] = self.app.home.scales
         self.tool_x = coord_bars[0].scaledPosition
         self.tool_y = coord_bars[1].scaledPosition