diff --git a/Qwilight/ViewModel/LevelViewModel.cs b/Qwilight/ViewModel/LevelViewModel.cs
index 438aa6e..1d96e69 100644
--- a/Qwilight/ViewModel/LevelViewModel.cs
+++ b/Qwilight/ViewModel/LevelViewModel.cs
@@ -15,7 +15,7 @@
 
         public override double TargetLength => 0.4;
 
-        public override double TargetHeight => 0.8;
+        public override double TargetHeight => double.NaN;
 
         public void OnInput() => OnPropertyChanged(nameof(IsTotalWantLevel));