diff --git a/req.go b/req.go
index 1e782e1f..d1b3e712 100644
--- a/req.go
+++ b/req.go
@@ -257,6 +257,7 @@ func (r *Req) Do(method, rawurl string, vs ...interface{}) (resp *Resp, err erro
 			progress = vv
 		case context.Context:
 			req = req.WithContext(vv)
+			resp.req = req
 		case error:
 			return nil, vv
 		}