diff --git a/ImGui/impls/windows/imgui_impl_dx11.cpp b/ImGui/impls/windows/imgui_impl_dx11.cpp
index 350f2ed..f9e586d 100644
--- a/ImGui/impls/windows/imgui_impl_dx11.cpp
+++ b/ImGui/impls/windows/imgui_impl_dx11.cpp
@@ -194,7 +194,7 @@ void ImGui_ImplDX11_RenderDrawData(ImDrawData* draw_data)
         DXGI_FORMAT                 IndexBufferFormat;
         ID3D11InputLayout*          InputLayout;
     };
-    BACKUP_DX11_STATE old;
+    BACKUP_DX11_STATE old = {};
     old.ScissorRectsCount = old.ViewportsCount = D3D11_VIEWPORT_AND_SCISSORRECT_OBJECT_COUNT_PER_PIPELINE;
     ctx->RSGetScissorRects(&old.ScissorRectsCount, old.ScissorRects);
     ctx->RSGetViewports(&old.ViewportsCount, old.Viewports);