diff --git a/dev-java/json/metadata.xml b/dev-java/json/metadata.xml
index ed6abb8952347..8ec4071175025 100644
--- a/dev-java/json/metadata.xml
+++ b/dev-java/json/metadata.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
 	<longdescription lang="en">
 		JSON (JavaScript Object Notation) is a lightweight data-interchange format.