diff --git a/app-crypt/openssl-tpm-engine/openssl-tpm-engine-0.4.2.ebuild b/app-crypt/openssl-tpm-engine/openssl-tpm-engine-0.4.2.ebuild
index 6f99d19ef349c..9539e900227a4 100644
--- a/app-crypt/openssl-tpm-engine/openssl-tpm-engine-0.4.2.ebuild
+++ b/app-crypt/openssl-tpm-engine/openssl-tpm-engine-0.4.2.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2015 Gentoo Foundation
+# Copyright 1999-2016 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 # $Id$
 
@@ -13,9 +13,11 @@ HOMEPAGE="http://trousers.sourceforge.net"
 SRC_URI="mirror://sourceforge/trousers/${MY_P}.tar.gz"
 LICENSE="GPL-2"
 SLOT="0"
-KEYWORDS="~x86 ~amd64"
-IUSE=""
-RDEPEND=">=dev-libs/openssl-0.9.8:*
+KEYWORDS="~amd64 ~x86"
+IUSE="libressl"
+RDEPEND="
+	!libressl? ( dev-libs/openssl:0= )
+	libressl? ( dev-libs/libressl:0= )
 	>=app-crypt/trousers-0.2.8"
 DEPEND="${RDEPEND}"