diff --git a/dlls/dxgi/swapchain.c b/dlls/dxgi/swapchain.c
index 4ac3421747e..a348ecc93f4 100644
--- a/dlls/dxgi/swapchain.c
+++ b/dlls/dxgi/swapchain.c
@@ -92,9 +92,11 @@ static HRESULT STDMETHODCALLTYPE dxgi_swapchain_SetPrivateData(IDXGISwapChain *i
 static HRESULT STDMETHODCALLTYPE dxgi_swapchain_SetPrivateDataInterface(IDXGISwapChain *iface,
         REFGUID guid, const IUnknown *object)
 {
-    FIXME("iface %p, guid %s, object %p stub!\n", iface, debugstr_guid(guid), object);
+    struct dxgi_swapchain *swapchain = impl_from_IDXGISwapChain(iface);
 
-    return E_NOTIMPL;
+    TRACE("iface %p, guid %s, object %p.\n", iface, debugstr_guid(guid), object);
+
+    return dxgi_set_private_data_interface(&swapchain->private_store, guid, object);
 }
 
 static HRESULT STDMETHODCALLTYPE dxgi_swapchain_GetPrivateData(IDXGISwapChain *iface,