diff --git a/include/d3d11.idl b/include/d3d11.idl
index b4cc3be5a73..78b4f334676 100644
--- a/include/d3d11.idl
+++ b/include/d3d11.idl
@@ -1371,7 +1371,9 @@ cpp_quote("    explicit CD3D11_BLEND_DESC(const D3D11_BLEND_DESC &o) : D3D11_BLE
 cpp_quote("    explicit CD3D11_BLEND_DESC(CD3D11_DEFAULT) {")
 cpp_quote("        AlphaToCoverageEnable = FALSE;")
 cpp_quote("        IndependentBlendEnable = FALSE;")
-cpp_quote("        for(D3D11_RENDER_TARGET_BLEND_DESC *target; target < RenderTarget+D3D11_SIMULTANEOUS_RENDER_TARGET_COUNT; target++) {")
+cpp_quote("        for(D3D11_RENDER_TARGET_BLEND_DESC *target = RenderTarget;")
+cpp_quote("                target < RenderTarget + D3D11_SIMULTANEOUS_RENDER_TARGET_COUNT;")
+cpp_quote("                target++) {")
 cpp_quote("            target->BlendEnable = FALSE;")
 cpp_quote("            target->SrcBlend = target->SrcBlendAlpha = D3D11_BLEND_ONE;")
 cpp_quote("            target->DestBlend = target->DestBlendAlpha = D3D11_BLEND_ZERO;")