diff --git a/Gems/Atom/Feature/Common/Assets/ShaderLib/Atom/Features/PBR/Lights/Ibl.azsli b/Gems/Atom/Feature/Common/Assets/ShaderLib/Atom/Features/PBR/Lights/Ibl.azsli
index b1cfb47be6..d33a307dfe 100644
--- a/Gems/Atom/Feature/Common/Assets/ShaderLib/Atom/Features/PBR/Lights/Ibl.azsli
+++ b/Gems/Atom/Feature/Common/Assets/ShaderLib/Atom/Features/PBR/Lights/Ibl.azsli
@@ -60,7 +60,7 @@ float3 GetIblSpecular(
     
         // compute blend amount based on world position in the reflection probe volume
         float blendAmount = ComputeLerpBetweenInnerOuterOBBs(
-            ObjectSrg::m_reflectionProbeData.m_modelToWorldInverse,
+            ObjectSrg::GetReflectionProbeWorldMatrixInverse(),
             ObjectSrg::m_reflectionProbeData.m_innerObbHalfLengths,
             ObjectSrg::m_reflectionProbeData.m_outerObbHalfLengths,
             position);
diff --git a/Gems/Atom/Feature/Common/Code/Source/Mesh/MeshFeatureProcessor.cpp b/Gems/Atom/Feature/Common/Code/Source/Mesh/MeshFeatureProcessor.cpp
index ba3bdc0bb4..bd0d12106b 100644
--- a/Gems/Atom/Feature/Common/Code/Source/Mesh/MeshFeatureProcessor.cpp
+++ b/Gems/Atom/Feature/Common/Code/Source/Mesh/MeshFeatureProcessor.cpp
@@ -1144,7 +1144,7 @@ namespace AZ
                 if (!reflectionProbes.empty() && reflectionProbes[0])
                 {
                     m_shaderResourceGroup->SetConstant(modelToWorldConstantIndex, reflectionProbes[0]->GetTransform());
-                    m_shaderResourceGroup->SetConstant(modelToWorldInverseConstantIndex, reflectionProbes[0]->GetTransform().GetInverse());
+                    m_shaderResourceGroup->SetConstant(modelToWorldInverseConstantIndex, Matrix3x4::CreateFromTransform(reflectionProbes[0]->GetTransform()).GetInverseFull());
                     m_shaderResourceGroup->SetConstant(outerObbHalfLengthsConstantIndex, reflectionProbes[0]->GetOuterObbWs().GetHalfLengths());
                     m_shaderResourceGroup->SetConstant(innerObbHalfLengthsConstantIndex, reflectionProbes[0]->GetInnerObbWs().GetHalfLengths());
                     m_shaderResourceGroup->SetConstant(useReflectionProbeConstantIndex, true);