diff --git a/README.md b/README.md
index 0a90b85..cc5b547 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # openttd-openmsx
 
+OpenSFX is a set of base sounds effects for OpenTTD.
+
diff --git a/openttd-openmsx.spec b/openttd-openmsx.spec
new file mode 100644
index 0000000..8e13e97
--- /dev/null
+++ b/openttd-openmsx.spec
@@ -0,0 +1,44 @@
+### AUTOUPDATE-OFF: 1
+Name:          openttd-openmsx
+Version:       0.3.1
+Release:       2mamba
+Summary:       A set of base musics for OpenTTD
+Group:         Applications/Games
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Ercole 'ercolinux' Carpanetto <ercole69@gmail.com>
+URL:           http://bundles.openttdcoop.org/openmsx/
+Source:	       http://bundles.openttdcoop.org/openmsx/releases/%{version}/openmsx-%{version}.zip
+License:       GPL
+## AUTOBUILDREQ-BEGIN
+## AUTOBUILDREQ-END
+BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+
+%description
+OpenSFX is a set of base sounds effects for OpenTTD.
+
+%prep
+
+%build
+
+%install
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+install -d %{buildroot}%{_datadir}/games/openttd/data/
+cd %{buildroot}%{_datadir}/games/openttd/data/
+unzip %SOURCE0
+
+%clean
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+
+%files
+%defattr(-,root,root)
+%{_datadir}/games/openttd/data/openmsx-%{version}/*.mid
+%{_datadir}/games/openttd/data/openmsx-%{version}/*.obm
+%{_datadir}/games/openttd/data/openmsx-%{version}/*.txt
+
+%changelog
+* Wed Feb 20 2013 Silvan Calarco <silvan.calarco@mambasoft.it> 0.3.1-2mamba
+- renamed to openttd-openmsx to avoid conflicting with openmsx emulator
+
+* Mon Apr 23 2012 Ercole 'ercolinux' Carpanetto <ercole69@gmail.com> 0.3.1-1mamba
+- package created by autospec