diff --git a/Makefile b/Makefile
index 0539b13..d6ee925 100644
--- a/Makefile
+++ b/Makefile
@@ -32,5 +32,3 @@ deb:
 	dch -r ""
 	cd debian && pdebuild
 
-install_rpm:
-	echo "ok"
diff --git a/rpm/centos.spec b/rpm/centos.spec
index 24ec627..644ba20 100644
--- a/rpm/centos.spec
+++ b/rpm/centos.spec
@@ -2,7 +2,7 @@
 #   $ yum install git
 #   $ mkdir -p ~/rpmbuild/{BUILD,RPMS,SOURCES,SPECS,SRPMS}
 #   $ echo '%_topdir %(echo $HOME)/rpmbuild' >> ~/.rpmmacros
-#   $ echo | gzip -c > ~/rpmbuild/SOURCES/polynum-0.0.tar.gz
+#   $ echo | gzip -c > ~/rpmbuild/SOURCES/polynum-0.0.tar.gz   # create a first tar.gz (fake)
 #   $ cd ~/dev && git clone git://repos.entrouvert.org/polynum.git
 #   $ ln -s ~/dev/polynum/rpm/centos.spec ~/rpmbuild/SPECS/polynum.spec
 #   $ rpmbuild -ba ~/rpmbuild/SPECS/polynum.spec
@@ -38,6 +38,9 @@
 %define git_get_ver %(git --git-dir=%{git_gitdir} describe --tags | sed 's/^v\\?\\(.*\\)-\\([0-9]\\+\\)-g.*$/\\1/;s/-//')
 %define git_get_rel %(git --git-dir=%{git_gitdir} describe --tags | grep '\\-g.\\+$' | sed 's/^v\\?\\(.*\\)-\\([0-9]\\+\\)-g.*$/\\2/')
 
+# wtf... we don't want .pyo and .pyc files
+%define __os_install_post echo "NO COMPRESS"
+
 
 #
 # real spec starts here
@@ -51,15 +54,16 @@ Version: 0.0
 Release: 1
 License: AGPLv3+
 Group: Applications/Internet
-
-URL: http://
+URL: http://dev.entrouvert.org/projects/polynum
 
 Source0: %{name}-%{version}.tar.gz
-
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root
+BuildArch: noarch
 
 # depends
 Requires: python26
+Requires: python26-virtualenv
+Requires: python26-ldap
 
 %description
 Polynum (polycopiés numériques) est une application web pour demander
@@ -73,14 +77,23 @@ afin de mettre à disposition en ligne les polycopiés pour les étudiants.
 %build
 
 %install
-make install_rpm
+%{__rm} -rf %{buildroot}
+make DESTDIR=%{buildroot} install
+%{__mkdir} -p %{buildroot}/%{_sysconfdir}/%{name}
 
 %clean
 
 %files
+# set perms and ownerships of packaged files
+# the - indicates that the current permissions on the files should be used
+%defattr(-,root,root)
+%doc help local_settings.py.example gunicorn_config.py.example README
+#%config(noreplace) %{_sysconfdir}/%{name}/
+/opt/polynum/*
+%{_sysconfdir}/%{name}
 
-#%changelog
-#* 2012 07 24 Thomas NOEL <tnoel@entrouvert.com> 0.0-1
-#- create spec file
+%changelog
+* Tue Jul 24 2012 Thomas NOEL <tnoel@entrouvert.com> 0.0-1
+- create spec file