diff --git a/profiles/arch/sparc/package.use.mask b/profiles/arch/sparc/package.use.mask
index fecfa8d66cde4..f62dedc6e7a5f 100644
--- a/profiles/arch/sparc/package.use.mask
+++ b/profiles/arch/sparc/package.use.mask
@@ -2,6 +2,10 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Id$
 
+# Anthony G. Basile <blueness@gentoo.org> (25 Nov 2015)
+# mask http2 on net-misc/curl until stabilized, bug #558734
+net-misc/curl http2
+
 # Justin Lecher <jlec@gentoo.org> (18 Nov 2015)
 # requires dev-python/restkit which requires
 # dev-python/socketpool which requires dev-python/gevent which requires