diff --git a/Gems/Atom/Feature/Common/Assets/ShaderLib/Atom/Features/PBR/BackLighting.azsli b/Gems/Atom/Feature/Common/Assets/ShaderLib/Atom/Features/PBR/BackLighting.azsli
index eec90a1da9..dd40b94414 100644
--- a/Gems/Atom/Feature/Common/Assets/ShaderLib/Atom/Features/PBR/BackLighting.azsli
+++ b/Gems/Atom/Feature/Common/Assets/ShaderLib/Atom/Features/PBR/BackLighting.azsli
@@ -73,7 +73,7 @@ float3 GetBackLighting(Surface surface, LightingData lightingData, float3 lightI
 
                 // Irradiance arround surface point. 
                 // Increase angle of influence (angle(N,L) -> angle(N,L) + acos(transmissionNdLBias)) to smooth transition regions
-                float3 E = surface.albedo * max(lightingData.transmissionNdLBias + dot(-surface.normal, dirToLight),0.0);
+                float3 E = surface.albedo * saturate(lightingData.transmissionNdLBias + dot(-surface.normal, dirToLight));
 
                 // Transmission distance modulated by hardcoded constant (could be exposed as a weight of scattering distance for transmission)
                 float s = transmissionDistance * 100.0;