diff --git a/c-toxcore.changes b/c-toxcore.changes
index 9294cff..70ecee3 100644
--- a/c-toxcore.changes
+++ b/c-toxcore.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Sun Apr  8 23:06:20 UTC 2018 - ecsos@opensuse.org
+
+- fix build failure for Leap 42.3
+
 -------------------------------------------------------------------
 Sun Apr  1 08:04:22 UTC 2018 - sleep_walker@opensuse.org
 
diff --git a/c-toxcore.spec b/c-toxcore.spec
index b19704b..cdf2cf4 100644
--- a/c-toxcore.spec
+++ b/c-toxcore.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package c-toxcore
 #
-# Copyright (c) 2017 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2018 SUSE LINUX GmbH, Nuernberg, Germany.
 # Copyright (c) 2013 Markus Kolb, Innsbruck, Austria.
 #
 # All modifications and additions to the file contributed by third parties
@@ -25,7 +25,7 @@ Release:        0
 Summary:        Secure decentralized instant messaging application
 License:        GPL-3.0
 Group:          Productivity/Networking/Instant Messenger
-URL:            https://tox.chat/
+Url:            https://tox.chat/
 Source0:        https://github.com/TokTok/c-toxcore/archive/v%{version}.tar.gz#./%{name}-%{version}.tar.gz
 Source1:        %{name}.tmpfiles.d
 Source2:        https://github.com/TokTok/c-toxcore/releases/download/v%{version}/%{name}-%{version}.tar.gz.asc
@@ -39,6 +39,7 @@ BuildRequires:  libtool
 BuildRequires:  libvpx-devel
 BuildRequires:  pkgconfig
 BuildRequires:  pkgconfig(systemd)
+Requires(pre):  shadow
 %{?systemd_requires}
 
 %description
@@ -107,7 +108,6 @@ autoreconf -i
             --disable-static
 make %{?_smp_mflags}
 
-
 %install
 %make_install