diff --git a/dev-libs/protobuf/metadata.xml b/dev-libs/protobuf/metadata.xml
index 27c7a0528f1a0..5f0a96f49a03e 100644
--- a/dev-libs/protobuf/metadata.xml
+++ b/dev-libs/protobuf/metadata.xml
@@ -1,7 +1,10 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<?xml version='1.0' encoding='UTF-8'?>
+<!DOCTYPE pkgmetadata SYSTEM 'http://www.gentoo.org/dtd/metadata.dtd'>
 <pkgmetadata>
-	<upstream>
-		<remote-id type="github">google/protobuf</remote-id>
-	</upstream>
+<maintainer type='person'>
+	<email>vapier@gentoo.org</email>
+</maintainer>
+<upstream>
+	<remote-id type='github'>google/protobuf</remote-id>
+</upstream>
 </pkgmetadata>