diff --git a/dlls/d3drm/viewport.c b/dlls/d3drm/viewport.c
index 9fd627d94c3..6986a16b488 100644
--- a/dlls/d3drm/viewport.c
+++ b/dlls/d3drm/viewport.c
@@ -66,8 +66,8 @@ static HRESULT WINAPI d3drm_viewport2_QueryInterface(IDirect3DRMViewport2 *iface
     else
     {
         *out = NULL;
-        WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(riid));
-        return E_NOINTERFACE;
+        WARN("%s not implemented, returning CLASS_E_CLASSNOTAVAILABLE.\n", debugstr_guid(riid));
+        return CLASS_E_CLASSNOTAVAILABLE;
     }
 
     IUnknown_AddRef((IUnknown *)*out);