diff --git a/projects/dxilconv/include/ShaderBinary/ShaderBinary.h b/projects/dxilconv/include/ShaderBinary/ShaderBinary.h
index 54cedad1b6..bf23adbcf7 100644
--- a/projects/dxilconv/include/ShaderBinary/ShaderBinary.h
+++ b/projects/dxilconv/include/ShaderBinary/ShaderBinary.h
@@ -383,6 +383,7 @@ class COperandBase {
   struct {
     D3D10_SB_OPERAND_INDEX_REPRESENTATION m_IndexType[3];
     D3D10_SB_OPERAND_INDEX_DIMENSION m_IndexDimension;
+#pragma warning(suppress : 4201) // Warning about nameless structure.
   };
 
   friend class CShaderAsm;