diff --git a/dev-games/mercator/mercator-0.3.3.ebuild b/dev-games/mercator/mercator-0.3.3.ebuild
index 92cdc48b0a23e..ad2b19b766a00 100644
--- a/dev-games/mercator/mercator-0.3.3.ebuild
+++ b/dev-games/mercator/mercator-0.3.3.ebuild
@@ -1,8 +1,8 @@
-# Copyright 1999-2018 Gentoo Foundation
+# Copyright 1999-2020 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=5
-inherit eutils
+inherit eutils ltprune
 
 DESCRIPTION="WorldForge library primarily aimed at terrain"
 HOMEPAGE="https://www.worldforge.org/index.php/components/mercator/"