diff --git a/PostProcessing/Resources/Shaders/Common.cginc b/PostProcessing/Resources/Shaders/Common.cginc
index d70f2e5c..e98e667e 100644
--- a/PostProcessing/Resources/Shaders/Common.cginc
+++ b/PostProcessing/Resources/Shaders/Common.cginc
@@ -67,7 +67,7 @@ inline half Min4(half4 x) { return min(x.x, min(x.y, min(x.z, x.w))); }
 inline half Min4(half x, half y, half z, half w) { return min(x, min(y, min(z, w))); }
 
 inline half Max4(half4 x) { return max(x.x, max(x.y, max(x.z, x.w))); }
-inline half Max4(half x, half y, half z, half w) { return max(x, max(y, min(z, w))); }
+inline half Max4(half x, half y, half z, half w) { return max(x, max(y, max(z, w))); }
 
 inline half  Pow2(half  x) { return x * x; }
 inline half2 Pow2(half2 x) { return x * x; }