diff --git a/brasero.spec b/brasero.spec
index 2655cc4..4b4174f 100644
--- a/brasero.spec
+++ b/brasero.spec
@@ -1,12 +1,15 @@
+%define basever %(echo %{version} | sed "s/\.[0-9]*$//")
+
 Name:      brasero
 Version:   3.12.2
 Release:   5%{?dist}
 Summary:   Gnome CD/DVD burning application
 
+
 # see https://bugzilla.gnome.org/show_bug.cgi?id=683503
 License:   GPLv3+
 URL:       https://wiki.gnome.org/Apps/Brasero
-Source0:   https://download.gnome.org/sources/brasero/3.12/brasero-%{version}.tar.xz
+Source0:   https://download.gnome.org/sources/brasero/%{basever}/brasero-%{version}.tar.xz
 
 BuildRequires:  gtk3-devel >= 2.99.0
 BuildRequires:  glib2-devel >= 2.15.6
@@ -35,7 +38,7 @@ Requires:  cdrecord
 Requires:  mkisofs
 Requires:  cdda2wav
 Requires:  %{name}-libs%{?_isa} = %{version}-%{release}
-%ifnarch s390 s390x
+%ifnarch s390x
 Requires:  cdrdao
 %endif
 
@@ -46,7 +49,6 @@ desktop.
 
 %package   libs
 Summary:   Libraries for %{name}
-Obsoletes: nautilus-cd-burner-libs < 2.25.4
 
 %description libs
 The %{name}-libs package contains the runtime shared libraries for
@@ -55,10 +57,7 @@ The %{name}-libs package contains the runtime shared libraries for
 
 %package   nautilus
 Summary:   Nautilus extension for %{name}
-
-Provides:  nautilus-cd-burner = %{version}-%{release}
-Obsoletes: nautilus-cd-burner < 2.25.4
-Requires:  %{name} = %{version}-%{release}
+Requires:  %{name}%{?_isa} = %{version}-%{release}
 
 %description nautilus
 The %{name}-nautilus package contains the brasero nautilus extension.
@@ -67,7 +66,6 @@ The %{name}-nautilus package contains the brasero nautilus extension.
 %package        devel
 Summary:        Headers for developing programs that will use %{name}
 Requires:       %{name}-libs%{?_isa} = %{version}-%{release}
-Obsoletes:      nautilus-cd-burner-devel < 2.25.4
 
 
 %description devel
@@ -95,7 +93,7 @@ sed -i -e 's! -shared ! -Wl,--as-needed\0!g' libtool
 
 %install
 %make_install
-find $RPM_BUILD_ROOT -type f -name "*.la" -exec rm -f {} ';'
+find %{buildroot} -type f -name "*.la" -exec rm -f {} ';'
 %find_lang %{name}
 
 # Update the screenshot shown in the software center