diff --git a/Gems/Atom/Feature/Common/Assets/ShaderLib/Atom/Features/PBR/Lights/QuadLight.azsli b/Gems/Atom/Feature/Common/Assets/ShaderLib/Atom/Features/PBR/Lights/QuadLight.azsli
index 63515339d8..a4ef25572d 100644
--- a/Gems/Atom/Feature/Common/Assets/ShaderLib/Atom/Features/PBR/Lights/QuadLight.azsli
+++ b/Gems/Atom/Feature/Common/Assets/ShaderLib/Atom/Features/PBR/Lights/QuadLight.azsli
@@ -148,13 +148,14 @@ void ApplyQuadLight(ViewSrg::QuadLight light, Surface surface, inout LightingDat
                 GetDiffuseLighting(surface, lightingData, intensity, dirToLightCenter)
             );
             
+            float nullTransmissionDistance = (o_transmission_mode == TransmissionMode::ThickObject) ? 0.0f : 9999.0f;
             lightingData.translucentBackLighting +=
             (
-                GetBackLighting(surface, lightingData, intensity, p0, 0.0) +
-                GetBackLighting(surface, lightingData, intensity, p1, 0.0) +
-                GetBackLighting(surface, lightingData, intensity, p2, 0.0) +
-                GetBackLighting(surface, lightingData, intensity, p3, 0.0) +
-                GetBackLighting(surface, lightingData, intensity, dirToLightCenter, 0.0)
+                GetBackLighting(surface, lightingData, intensity, p0, nullTransmissionDistance) +
+                GetBackLighting(surface, lightingData, intensity, p1, nullTransmissionDistance) +
+                GetBackLighting(surface, lightingData, intensity, p2, nullTransmissionDistance) +
+                GetBackLighting(surface, lightingData, intensity, p3, nullTransmissionDistance) +
+                GetBackLighting(surface, lightingData, intensity, dirToLightCenter, nullTransmissionDistance)
             );
             
             // Calculate specular by choosing a single representative point on the light's surface based on the reflection ray