diff --git a/sys-apps/diffutils/diffutils-3.10.recipe b/sys-apps/diffutils/diffutils-3.10.recipe
index f61ad6a68..0eba3ee3c 100644
--- a/sys-apps/diffutils/diffutils-3.10.recipe
+++ b/sys-apps/diffutils/diffutils-3.10.recipe
@@ -17,7 +17,7 @@ HOMEPAGE="https://www.gnu.org/software/diffutils/"
 COPYRIGHT="1992-2016 Free Software Foundation, Inc."
 LICENSE="GNU GPL v3"
 REVISION="3"
-SOURCE_URI="http://ftpmirror.gnu.org/diffutils/diffutils-$portVersion.tar.xz"
+SOURCE_URI="https://ftp.gnu.org/gnu/diffutils/diffutils-$portVersion.tar.xz"
 CHECKSUM_SHA256="90e5e93cc724e4ebe12ede80df1634063c7a855692685919bfe60b556c9bd09e"
 PATCHES="diffutils-$portVersion.patchset"