diff --git a/games-fps/xonotic/metadata.xml b/games-fps/xonotic/metadata.xml
index 7e135f715fc22..6f0500eb437d1 100644
--- a/games-fps/xonotic/metadata.xml
+++ b/games-fps/xonotic/metadata.xml
@@ -1,11 +1,14 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
-<maintainer type="project">
-	<email>games@gentoo.org</email>
-	<name>Gentoo Games Project</name>
-</maintainer>
-<use>
-	<flag name="ode">Enable support for physics engine from <pkg>dev-games/ode</pkg></flag>
-</use>
+	<maintainer type="project">
+		<email>games@gentoo.org</email>
+		<name>Gentoo Games Project</name>
+	</maintainer>
+	<use>
+		<flag name="ode">Enable support for physics engine from <pkg>dev-games/ode</pkg></flag>
+	</use>
+	<upstream>
+		<remote-id type="gitlab">xonotic/xonotic</remote-id>
+	</upstream>
 </pkgmetadata>