diff --git a/dlls/d3d10/d3d10.spec b/dlls/d3d10/d3d10.spec
index 121df17b740..94e24247dd3 100644
--- a/dlls/d3d10/d3d10.spec
+++ b/dlls/d3d10/d3d10.spec
@@ -13,7 +13,7 @@
 @ stdcall D3D10GetInputSignatureBlob(ptr long ptr) d3dcompiler_43.D3DGetInputSignatureBlob
 @ stdcall D3D10GetOutputSignatureBlob(ptr long ptr) d3dcompiler_43.D3DGetOutputSignatureBlob
 @ stdcall D3D10GetPixelShaderProfile(ptr)
-@ stub D3D10GetShaderDebugInfo
+@ stdcall D3D10GetShaderDebugInfo(ptr long ptr) d3dcompiler_43.D3DGetDebugInfo
 @ stub D3D10GetVersion
 @ stdcall D3D10GetVertexShaderProfile(ptr)
 @ stub D3D10PreprocessShader
diff --git a/include/d3d10shader.h b/include/d3d10shader.h
index cf61f9da64f..316f3cae718 100644
--- a/include/d3d10shader.h
+++ b/include/d3d10shader.h
@@ -293,5 +293,6 @@ HRESULT WINAPI D3D10ReflectShader(const void *data, SIZE_T data_size, ID3D10Shad
 HRESULT WINAPI D3D10GetInputSignatureBlob(const void *data, SIZE_T data_size, ID3D10Blob **blob);
 HRESULT WINAPI D3D10GetOutputSignatureBlob(const void *data, SIZE_T data_size, ID3D10Blob **blob);
 HRESULT WINAPI D3D10GetInputAndOutputSignatureBlob(const void *data, SIZE_T data_size, ID3D10Blob **blob);
+HRESULT WINAPI D3D10GetShaderDebugInfo(const void *data, SIZE_T data_size, ID3D10Blob **blob);
 
 #endif /* __WINE_D3D10SHADER_H */