diff --git a/seed/apache/dictionaries/20_web.xml b/seed/apache/dictionaries/20_web.xml
index eaa7ee2..984ed98 100644
--- a/seed/apache/dictionaries/20_web.xml
+++ b/seed/apache/dictionaries/20_web.xml
@@ -24,15 +24,6 @@
         <value>300</value>
       </variable>
       <variable name="apache_keepalive" type="boolean" description="Autoriser les connexions persistantes"/>
-      <variable name="server_ca" hidden="True"/>
     </family>
   </variables>
-  <constraints>
-    <fill name="get_chain">
-      <param name="authority_cn" type="variable">revprox_client_server_domainname</param>
-      <param name="authority_name">InternalReverseProxy</param>
-      <param name="hide" type="variable">hide_secret</param>
-      <target>server_ca</target>
-    </fill>
-  </constraints>
 </rougail>
diff --git a/seed/apache/templates/server.ca b/seed/apache/templates/server.ca
index 898516b..ad46dd6 100644
--- a/seed/apache/templates/server.ca
+++ b/seed/apache/templates/server.ca
@@ -1 +1 @@
-%%server_ca
+%%get_chain(authority_cn=%%revprox_client_server_domainname, authority_name="InternalReverseProxy", hide=%%hide_secret)