diff --git a/app-text/ots/ots-0.5.0-r1.ebuild b/app-text/ots/ots-0.5.0-r1.ebuild
index 9c4d8b68e35bc..9a2c5ab2e8211 100644
--- a/app-text/ots/ots-0.5.0-r1.ebuild
+++ b/app-text/ots/ots-0.5.0-r1.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=5
-inherit autotools eutils
+inherit autotools eutils ltprune
 
 DESCRIPTION="Open source Text Summarizer, as used in newer releases of abiword and kword"
 HOMEPAGE="http://libots.sourceforge.net/"