diff --git a/dicos/20_partitioning_risotto.xml b/dicos/20_partitioning_risotto.xml
index e15d636..b87a1b4 100644
--- a/dicos/20_partitioning_risotto.xml
+++ b/dicos/20_partitioning_risotto.xml
@@ -13,19 +13,10 @@
         <auto name='calc_multi_val' target='eole_lv_names'>
             <param>root</param>
             <param>tmp</param>
-            <param>var</param>
-            <param>var+spool</param>
-            <param>var+log</param>
-            <param>home</param>
         </auto>
-        <!-- Default AmonEcole* logical volumes extension: 100% /home -->
         <auto name='calc_multi_val' target='eole_lv_standard_extends'>
-            <param type='number'>0</param>
-            <param type='number'>0</param>
-            <param type='number'>0</param>
-            <param type='number'>0</param>
-            <param type='number'>0</param>
             <param type='number'>100</param>
+            <param type='number'>0</param>
         </auto>
     </constraints>
     <help/>
diff --git a/dicos/50_risotto.xml b/dicos/50_risotto.xml
index fa72f6d..41f2953 100644
--- a/dicos/50_risotto.xml
+++ b/dicos/50_risotto.xml
@@ -34,13 +34,13 @@
                 <value>localhost</value>
             </variable>
             <variable name='risotto_messages_dir' type='filename' description='Emplacement des messages de l’API' hidden='True'>
-                <value>/srv/risotto-message/messages</value>
+                <value>/usr/share/risotto-message/messages</value>
             </variable>
             <variable name='risotto_cache_dir' type='filename' description='Emplacement du cache' hidden='True'>
-                <value>/var/cache/risotto</value>
+                <value>/srv/risotto/cache/risotto</value>
             </variable>
             <variable name='risotto_seed_dir' type='filename' description='Emplacement des descriptions de services' hidden='True'>
-                <value>/srv/risotto/seed</value>
+                <value>/usr/share/risotto/seed</value>
             </variable>
             <variable name='risotto_factory_configuration_dir' type='filename' description='Emplacement de la configuration du provider factory' hidden='True'>
                 <value>/srv/factory/</value>
diff --git a/posttemplate/20-directories b/posttemplate/20-directories
new file mode 100755
index 0000000..84e7cd5
--- /dev/null
+++ b/posttemplate/20-directories
@@ -0,0 +1,7 @@
+#!/bin/bash
+
+for dir in risotto_messages_dir risotto_cache_dir risotto_seed_dir; do
+    mkdir -p $(CreoleGet dir)
+done
+
+exit 0