diff --git a/include/dxgi.idl b/include/dxgi.idl
index a4bf8020d36..e82c5be555f 100644
--- a/include/dxgi.idl
+++ b/include/dxgi.idl
@@ -44,3 +44,16 @@ interface IDXGIObject : IUnknown
         [out] void **parent
     );
 }
+
+[
+    object,
+    local,
+    uuid(3d3e0379-f9de-4d58-bb6c-18d62992f1a6)
+]
+interface IDXGIDeviceSubObject : IDXGIObject
+{
+    HRESULT GetDevice(
+        [in] REFIID riid,
+        [out] void **device
+    );
+}