diff --git a/openring.go b/openring.go
index 774fc79..193207f 100644
--- a/openring.go
+++ b/openring.go
@@ -121,6 +121,9 @@ func main() {
 			bytes, err = ioutil.ReadFile(source.Opaque)
 			if err == nil {
 				feed, err = rss.Parse(bytes)
+				if err == nil {
+					feed.UpdateURL = source.Query().Get("url")
+				}
 			}
 		} else {
 			feed, err = rss.Fetch(source.String())