diff --git a/Assets/Scripts/Fsr2Controller.cs b/Assets/Scripts/Fsr2Controller.cs
index 688eb2a..4452ea2 100644
--- a/Assets/Scripts/Fsr2Controller.cs
+++ b/Assets/Scripts/Fsr2Controller.cs
@@ -259,9 +259,9 @@ namespace FidelityFX
         [System.Serializable]
         public class GenerateReactiveParameters
         {
-            public float scale = 1.0f;
-            public float cutoffThreshold = 0.2f;
-            public float binaryValue = 0.9f;
+            [Range(0, 2)] public float scale = 1.0f;
+            [Range(0, 1)] public float cutoffThreshold = 0.2f;
+            [Range(0, 1)] public float binaryValue = 0.9f;
             public Fsr2.GenerateReactiveFlags flags = Fsr2.GenerateReactiveFlags.ApplyTonemap | Fsr2.GenerateReactiveFlags.ApplyThreshold | Fsr2.GenerateReactiveFlags.UseComponentsMax;
         }
     }