diff --git a/dev-ruby/sourcemap/sourcemap-0.1.1.ebuild b/dev-ruby/sourcemap/sourcemap-0.1.1.ebuild
index d6cffbed66f07..b7229624e2827 100644
--- a/dev-ruby/sourcemap/sourcemap-0.1.1.ebuild
+++ b/dev-ruby/sourcemap/sourcemap-0.1.1.ebuild
@@ -1,8 +1,8 @@
-# Copyright 1999-2016 Gentoo Foundation
+# Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=5
-USE_RUBY="ruby20 ruby21 ruby22 ruby23"
+USE_RUBY="ruby21 ruby22 ruby23 ruby24"
 
 RUBY_FAKEGEM_RECIPE_DOC="rdoc"
 RUBY_FAKEGEM_EXTRADOC="README.md"
@@ -17,3 +17,7 @@ SLOT="0"
 KEYWORDS="~amd64 ~arm"
 
 IUSE=""
+
+all_ruby_prepare() {
+	sed -i -e '/bundler/ s:^:#:' Rakefile || die
+}