diff --git a/rss/item.go b/rss/item.go
index d36de45..a60a978 100644
--- a/rss/item.go
+++ b/rss/item.go
@@ -31,7 +31,7 @@ func (item *Item) String() string {
 }
 
 func (item *Item) ID() string {
-	return strings.Join(regexp.MustCompile("[a-zA-Z0-9]*").FindAllString(item.Link, -1), "_")
+	return item.TS.UTC().Format("20060102_") + strings.Join(regexp.MustCompile("[a-zA-Z0-9]*").FindAllString(item.Link, -1), "_")
 }
 
 func DeserializeItem(src []byte) (*Item, error) {