diff --git a/omping.spec b/omping.spec
index d57a8e1..d4e8b03 100644
--- a/omping.spec
+++ b/omping.spec
@@ -1,10 +1,10 @@
 Name: omping
 Version: 0.0.4
-Release: 17%{?dist}
+Release: 18%{?dist}
 Summary: Utility to test IP multicast functionality
 License: ISC
-URL: http://fedorahosted.org/omping/
-Source0: http://fedorahosted.org/releases/o/m/omping/%{name}-%{version}.tar.gz
+URL: https://github.com/jfriesse/omping
+Source0: https://github.com/jfriesse/%{name}/releases/download/%{version}/%{name}-%{version}.tar.gz
 
 BuildRequires: gcc
 
@@ -16,17 +16,23 @@ primarily in local network.
 %setup -q
 
 %build
-make %{?_smp_mflags} CFLAGS="%{optflags}" LDFLAGS="$RPM_LD_FLAGS"
+%set_build_flags
+make %{?_smp_mflags}
 
 %install
 make DESTDIR="%{buildroot}" PREFIX="%{_prefix}" install
 
 %files
-%doc AUTHORS COPYING
+%doc AUTHORS
+%license COPYING
 %{_bindir}/%{name}
 %{_mandir}/man8/*
 
 %changelog
+* Wed Mar 20 2019 Jan Friesse <jfriesse@redhat.com> - 0.0.4-18
+- Use license and set_build_flags macro
+- Fix URL and source
+
 * Fri Feb 01 2019 Fedora Release Engineering <releng@fedoraproject.org> - 0.0.4-17
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild