diff --git a/sci-astronomy/gnuastro/gnuastro-0.3.ebuild b/sci-astronomy/gnuastro/gnuastro-0.3.ebuild
index 54ffe177332a8..6932844ba43d4 100644
--- a/sci-astronomy/gnuastro/gnuastro-0.3.ebuild
+++ b/sci-astronomy/gnuastro/gnuastro-0.3.ebuild
@@ -1,9 +1,9 @@
-# Copyright 1999-2017 Gentoo Foundation
+# Copyright 1999-2020 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=6
 
-inherit eutils autotools
+inherit eutils autotools ltprune
 
 DESCRIPTION="GNU Astronomy Utilities"
 HOMEPAGE="https://www.gnu.org/software/gnuastro"