diff --git a/Gems/Atom/Feature/Common/Assets/ShaderLib/Atom/Features/Shadow/DirectionalLightShadow.azsli b/Gems/Atom/Feature/Common/Assets/ShaderLib/Atom/Features/Shadow/DirectionalLightShadow.azsli
index 893df85e3e..03d00d21f9 100644
--- a/Gems/Atom/Feature/Common/Assets/ShaderLib/Atom/Features/Shadow/DirectionalLightShadow.azsli
+++ b/Gems/Atom/Feature/Common/Assets/ShaderLib/Atom/Features/Shadow/DirectionalLightShadow.azsli
@@ -427,6 +427,7 @@ float DirectionalLightShadow::SamplePcfBicubic()
             shadowCoord.y >= 0. && shadowCoord.y * size < size - PixelMargin && 
             shadowCoord.z < 1. - DepthMargin)
         {
+            m_debugInfo.m_cascadeIndex = indexOfCascade;
             return SamplePcfBicubic(shadowCoord, indexOfCascade);
         }
     }