diff --git a/overlay.xml b/overlay.xml
index 9dc0e82..a1f9e18 100644
--- a/overlay.xml
+++ b/overlay.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0"?>
-<repositories version="1.0">
+<!DOCTYPE repositories SYSTEM "http://www.gentoo.org/dtd/repositories.dtd">
+<repositories xmlns="" version="1.0">
 	<repo priority="50" quality="experimental" status="unofficial">
 		<name>ghopp</name>
 		<description>