diff --git a/amue/settings.py b/amue/settings.py
index 3b1cabb..33ed125 100644
--- a/amue/settings.py
+++ b/amue/settings.py
@@ -351,7 +351,7 @@ ADMIN_TOOLS_MENU = 'authentic2.menu.CustomMenu'
 AUTH_SAML2 = 'AUTH_SAML2' in os.environ
 AUTH_OPENID = 'AUTH_OPENID' in os.environ
 AUTH_SSL = 'AUTH_SSL' in os.environ
-IDP_SAML2 = 'IDP_SAML2' in os.environ
+IDP_SAML2 = True
 IDP_OPENID = 'IDP_OPENID' in os.environ
 IDP_CAS = 'IDP_CAS' in os.environ
 
diff --git a/debian/amue-authentic2.postinst b/debian/amue-authentic2.postinst
index c189b22..3f3cf9d 100644
--- a/debian/amue-authentic2.postinst
+++ b/debian/amue-authentic2.postinst
@@ -40,8 +40,11 @@ case "$1" in
 		echo Updating static files...
 		/usr/lib/amue-authentic2/manage.sh collectstatic --noinput
 		if [ ! -e /etc/nginx/sites-enabled/idp.amue.fr ]; then
-			echo Installed nginx virtualhost...
-			ln -s /etc/nginx/sites-availables/idp.amue.fr /etc/nginx/sites-enabled/
+			echo Installing nginx virtualhost...
+			ln -s /etc/nginx/sites-available/idp.amue.fr /etc/nginx/sites-enabled/
+			invoke-rc.d nginx restart
+		else
+			echo Reloading nginx virtualhost...
 			invoke-rc.d nginx reload
 		fi
 		echo Restarting amue-authentic...
diff --git a/debian/changelog b/debian/changelog
index e86193e..0bf4fa7 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,12 @@
+amue-authentic2 (0.5) stable; urgency=low
+
+  * Fix postinst script
+  * Add python-ldap dependency
+  * Augment authorized body size in nginx to 200k
+  * Active SAML 2.0 IdP
+
+ -- Benjamin Dauvergne <bdauvergne@dor-lomin.entrouvert.com>  Thu, 14 Nov 2013 14:34:58 +0100
+
 amue-authentic2 (0.4) stable; urgency=low
 
   * Add python-gevent to dependencies
diff --git a/debian/control b/debian/control
index 8809fc7..864f23b 100644
--- a/debian/control
+++ b/debian/control
@@ -11,7 +11,7 @@ Package: amue-authentic2
 Architecture: all
 Depends: ${misc:Depends}, python-authentic2,
  dbconfig-common, nginx, gunicorn, supervisor, ${python:Depends},
- python-memcache, python-psycopg2, python-gevent
+ python-memcache, python-psycopg2, python-gevent, python-ldap
 Recommends: postgresql-client
 Description: AMUE settings for the Authentic2 identity server
  Gather all needed settings for using Authentic2 at AMUE
diff --git a/idp.amue.fr.nginx b/idp.amue.fr.nginx
index 8bea636..4f251aa 100644
--- a/idp.amue.fr.nginx
+++ b/idp.amue.fr.nginx
@@ -9,7 +9,7 @@ server {
 	location / {
 		proxy_pass http://unix:/run/amue-authentic2.sock:/;
 
-		client_max_body_size 5k;
+		client_max_body_size 200k;
 		client_body_buffer_size 1m;
 		proxy_intercept_errors on;
 		proxy_buffering on;