diff --git a/include/d3d10shader.h b/include/d3d10shader.h
index 8c3e46ea525..9e625d954fe 100644
--- a/include/d3d10shader.h
+++ b/include/d3d10shader.h
@@ -82,4 +82,10 @@ typedef enum _D3D10_SHADER_VARIABLE_TYPE
     D3D10_SVT_FORCE_DWORD = 0x7fffffff
 } D3D10_SHADER_VARIABLE_TYPE, *LPD3D10_SHADER_VARIABLE_TYPE;
 
+typedef struct _D3D10_SHADER_MACRO
+{
+    LPCSTR Name;
+    LPCSTR Definition;
+} D3D10_SHADER_MACRO, *LPD3D10_SHADER_MACRO;
+
 #endif /* __WINE_D3D10SHADER_H */