diff --git a/Source/Engine/GraphicsDevice/DirectX/DX11/GPUDeviceDX11.cpp b/Source/Engine/GraphicsDevice/DirectX/DX11/GPUDeviceDX11.cpp
index db81b2a4d..197531a45 100644
--- a/Source/Engine/GraphicsDevice/DirectX/DX11/GPUDeviceDX11.cpp
+++ b/Source/Engine/GraphicsDevice/DirectX/DX11/GPUDeviceDX11.cpp
@@ -409,8 +409,8 @@ GPUBuffer* GPUDeviceDX11::GetDummyVB()
     if (!_dummyVB)
     {
         _dummyVB = CreateBuffer(TEXT("DummyVertexBuffer"));
-        auto* layout = GPUVertexLayout::Get({{ VertexElement::Types::Attribute3, 0, 0, 0, PixelFormat::R8G8B8A8_UNorm }});
-        _dummyVB->Init(GPUBufferDescription::Vertex(layout, sizeof(Color32), 1, &Color32::Transparent));
+        auto* layout = GPUVertexLayout::Get({{ VertexElement::Types::Attribute3, 0, 0, 0, PixelFormat::R32G32B32A32_Float }});
+        _dummyVB->Init(GPUBufferDescription::Vertex(layout, sizeof(Color), 1, &Color::Transparent));
     }
     return _dummyVB;
 }
diff --git a/Source/Engine/GraphicsDevice/DirectX/DX12/GPUContextDX12.cpp b/Source/Engine/GraphicsDevice/DirectX/DX12/GPUContextDX12.cpp
index 11ac84482..103b9167c 100644
--- a/Source/Engine/GraphicsDevice/DirectX/DX12/GPUContextDX12.cpp
+++ b/Source/Engine/GraphicsDevice/DirectX/DX12/GPUContextDX12.cpp
@@ -256,8 +256,8 @@ void GPUContextDX12::Reset()
     if (!_device->DummyVB)
     {
         _device->DummyVB = _device->CreateBuffer(TEXT("DummyVertexBuffer"));
-        auto* layout = GPUVertexLayout::Get({{ VertexElement::Types::Attribute3, 0, 0, 0, PixelFormat::R8G8B8A8_UNorm }});
-        _device->DummyVB->Init(GPUBufferDescription::Vertex(layout, sizeof(Color32), 1, &Color32::Transparent));
+        auto* layout = GPUVertexLayout::Get({ { VertexElement::Types::Attribute3, 0, 0, 0, PixelFormat::R32G32B32A32_Float } });
+        _device->DummyVB->Init(GPUBufferDescription::Vertex(layout, sizeof(Color), 1, &Color::Transparent));
     }
     ((GPUBufferDX12*)_device->DummyVB)->GetVBView(dummyVBView);
     _commandList->IASetVertexBuffers(GPU_MAX_VB_BINDED, 1, &dummyVBView);