diff --git a/rivet.sh b/rivet.sh
index da34d76..f4a21fe 100644
--- a/rivet.sh
+++ b/rivet.sh
@@ -257,6 +257,7 @@ EOF
 			printf '\t<entry>\n'
 			printf '\t\t<title>%s</title>\n' "$title"
 			printf '\t\t<link href="%s" />\n' "$line"
+			printf '\t\t<id>%s</id>\n' "$line"
 			printf '\t\t<updated>%s</updated>\n' "$ldate"
 			printf '\t</entry>\n'
 		} >> "$feed"