diff --git a/dev-lang/gprolog/metadata.xml b/dev-lang/gprolog/metadata.xml
index 7b573c7732444..feaa047cb2f91 100644
--- a/dev-lang/gprolog/metadata.xml
+++ b/dev-lang/gprolog/metadata.xml
@@ -5,4 +5,7 @@
 	<email>prolog@gentoo.org</email>
 	<name>Prolog</name>
 </maintainer>
+<upstream>
+	<remote-id type="github">didoudiaz/gprolog</remote-id>
+</upstream>
 </pkgmetadata>