diff --git a/dev-ruby/debug_inspector/debug_inspector-1.0.0.ebuild b/dev-ruby/debug_inspector/debug_inspector-1.0.0.ebuild
index 381ef8b18a2b6..3706e2f829267 100644
--- a/dev-ruby/debug_inspector/debug_inspector-1.0.0.ebuild
+++ b/dev-ruby/debug_inspector/debug_inspector-1.0.0.ebuild
@@ -22,3 +22,7 @@ LICENSE="MIT"
 SLOT="0"
 KEYWORDS="~amd64"
 IUSE=""
+
+all_ruby_prepare() {
+	sed -i -e '/extensiontask/,$ s:^:#:' Rakefile || die
+}