diff --git a/package/Shaders/Lighting.hlsl b/package/Shaders/Lighting.hlsl
index 953b09e13d..60d66b7ecf 100644
--- a/package/Shaders/Lighting.hlsl
+++ b/package/Shaders/Lighting.hlsl
@@ -1110,7 +1110,7 @@ PS_OUTPUT main(PS_INPUT input, bool frontFace : SV_IsFrontFace)
 	if (SharedData::extendedMaterialSettings.EnableComplexMaterial) {
 		const float kMaskEpsilon = (4.0 / 255.0);
 
-		complexMaterial = envMaskSample.w < (1.0 - kMaskEpsilon);
+		complexMaterial = TexEnvMaskSampler.SampleLevel(SampEnvMaskSampler, uv, 15).w < (1.0 - kMaskEpsilon);
 
 		// Detect texture saved in the wrong format
 		if ((abs(envMaskSample.x - envMaskSample.y) < kMaskEpsilon) &&
@@ -1119,7 +1119,7 @@ PS_OUTPUT main(PS_INPUT input, bool frontFace : SV_IsFrontFace)
 			complexMaterial = false;
 
 		if (complexMaterial) {
-			if (envMaskSample.w > kMaskEpsilon) {
+			if (envMaskSample.w > kMaskEpsilon && envMaskSample.w < (1.0 - kMaskEpsilon)) {
 				complexMaterialParallax = true;
 				mipLevel = ExtendedMaterials::GetMipLevel(uv, TexEnvMaskSampler, screenNoise);
 				uv = ExtendedMaterials::GetParallaxCoords(viewPosition.z, uv, mipLevel, viewDirection, tbnTr, screenNoise, TexEnvMaskSampler, SampTerrainParallaxSampler, 3, displacementParams, pixelOffset