diff --git a/dev-scheme/slib/Manifest b/dev-scheme/slib/Manifest
index 14bb0387a2351..39a1c7ce08c0f 100644
--- a/dev-scheme/slib/Manifest
+++ b/dev-scheme/slib/Manifest
@@ -1 +1 @@
-DIST slib-3b5.tar.gz 987735 BLAKE2B ad1e6e43885a16277d01f37582db7de068f21da5e10b23e034f5487ac8748303dcc9c12615884ee047dce7c246203f1d0d1cc375794371eae6854199d720c209 SHA512 e5d1210b70cd882cd5e810b3c4102d6060ec82fb2093f472bf31b597f6273e0a02f4d35a82c4b5c8cdc3f8b2c7b9e498fa3e35c7f265fa864cd9dc50e7a874c8
+DIST slib-3b5.zip 1105432 BLAKE2B ae9a6bb34b318875048fad05403a90342b070770013ecd8b022846dc3c43c708511ce6f8ec2be6da2329b01dcc1ed0a641bf68569fd022bb4e2187e20efac0b0 SHA512 f6ebf163fe34498141ab61b6887a9a5db8f2fe0aef1f6c70a7a5783dde6d1268d7e724bc340b73b36189b09013e7079584e0af74f0876e5ebfa46b53d847923e
diff --git a/dev-scheme/slib/slib-3.2.5-r1.ebuild b/dev-scheme/slib/slib-3.2.5-r1.ebuild
index b48f4c3cd153c..6723e8acdd1a4 100644
--- a/dev-scheme/slib/slib-3.2.5-r1.ebuild
+++ b/dev-scheme/slib/slib-3.2.5-r1.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2018 Gentoo Foundation
+# Copyright 1999-2018 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="6"
@@ -11,7 +11,7 @@ MY_PV="$(get_version_component_range 1)${trarr:$(get_version_component_range 2):
 
 DESCRIPTION="Portable Scheme library for all standard Scheme implementations"
 HOMEPAGE="http://people.csail.mit.edu/jaffer/SLIB"
-SRC_URI="http://swiss.csail.mit.edu/ftpdir/scm/${PN}-${MY_PV}.tar.gz"
+SRC_URI="http://groups.csail.mit.edu/mac/ftpdir/scm/${PN}-${MY_PV}.zip"
 
 RESTRICT="mirror"
 
@@ -25,7 +25,8 @@ RDEPEND="
 	>=dev-scheme/guile-1.8.8:=
 	gambit? ( dev-scheme/gambit )
 	scm? ( dev-scheme/scm )"
-DEPEND="${RDEPEND}"
+DEPEND="${RDEPEND}
+	app-arch/unzip"
 
 DOCS=( ANNOUNCE COPYING FAQ README ChangeLog slib.{txt,html} )
 
@@ -34,7 +35,7 @@ PATCHES=(
 	"${FILESDIR}/${P}-fix-makefile-guile.patch"
 )
 
-S=${WORKDIR}/${PN}-${MY_PV}
+S="${WORKDIR}/${PN}"
 
 src_configure() {
 	./configure \