diff --git a/lib/graphicsdev/D3D11.cpp b/lib/graphicsdev/D3D11.cpp
index 57b425c..67a5ec8 100644
--- a/lib/graphicsdev/D3D11.cpp
+++ b/lib/graphicsdev/D3D11.cpp
@@ -637,7 +637,7 @@ class D3D11ShaderPipeline : public GraphicsDataNode<IShaderPipeline>
             blDesc.RenderTarget[0].SrcBlend = BLEND_FACTOR_TABLE[int(srcFac)];
             blDesc.RenderTarget[0].DestBlend = BLEND_FACTOR_TABLE[int(dstFac)];
             blDesc.RenderTarget[0].BlendOp = D3D11_BLEND_OP_ADD;
-            if (m_overwriteAlpha)
+            if (overwriteAlpha)
             {
                 blDesc.RenderTarget[0].SrcBlendAlpha = D3D11_BLEND_ONE;
                 blDesc.RenderTarget[0].DestBlendAlpha = D3D11_BLEND_ZERO;
diff --git a/lib/graphicsdev/D3D12.cpp b/lib/graphicsdev/D3D12.cpp
index dd9b3ef..53402ec 100644
--- a/lib/graphicsdev/D3D12.cpp
+++ b/lib/graphicsdev/D3D12.cpp
@@ -716,7 +716,7 @@ class D3D12ShaderPipeline : public GraphicsDataNode<IShaderPipeline>
                         const boo::ObjToken<IVertexFormat>& vtxFmt,
                         BlendFactor srcFac, BlendFactor dstFac, Primitive prim,
                         ZTest depthTest, bool depthWrite, bool colorWrite,
-                        bool alphaWrite, CullMode culling)
+                        bool alphaWrite, bool overwriteAlpha, CullMode culling)
     : GraphicsDataNode<IShaderPipeline>(parent), m_vtxFmt(vtxFmt),
       m_vert(std::move(vert)), m_pixel(std::move(pixel)),
       m_topology(PRIMITIVE_TABLE[int(prim)])
@@ -769,7 +769,7 @@ class D3D12ShaderPipeline : public GraphicsDataNode<IShaderPipeline>
                 desc.BlendState.RenderTarget[0].SrcBlend = BLEND_FACTOR_TABLE[int(srcFac)];
                 desc.BlendState.RenderTarget[0].DestBlend = BLEND_FACTOR_TABLE[int(dstFac)];
                 desc.BlendState.RenderTarget[0].BlendOp = D3D12_BLEND_OP_ADD;
-                if (m_overwriteAlpha)
+                if (overwriteAlpha)
                 {
                     desc.BlendState.RenderTarget[0].SrcBlendAlpha = D3D12_BLEND_ONE;
                     desc.BlendState.RenderTarget[0].DestBlendAlpha = D3D12_BLEND_ZERO;