diff --git a/mastostart-gnu/system/mastostart.scm b/mastostart-gnu/system/mastostart.scm
index 1829246..7ef2b8a 100644
--- a/mastostart-gnu/system/mastostart.scm
+++ b/mastostart-gnu/system/mastostart.scm
@@ -15,8 +15,23 @@
                      ssh
                      web)
 
+(define-public %apache-listen-ports '("8080"))
+
+(define-public %apache-server-name "127.0.0.1")
+
 (define-public %apache-webroot "/srv")
 
+(define-public %apache-conf
+  (string-append "
+<Directory \"" %apache-webroot "\">
+    Options FollowSymLinks
+    AllowOverride All
+</Directory>
+
+<FilesMatch \\.php$>
+    SetHandler \"proxy:unix:/var/run/php-fpm.sock|fcgi://localhost/\"
+</FilesMatch>"))
+
 (define-public mastostart-conf
   (operating-system
     (locale "it_IT.utf8")
@@ -69,8 +84,8 @@
                      (httpd-configuration
                       (config
                        (httpd-config-file
-                        (server-name "127.0.0.1")
-                        (listen '("8080"))
+                        (server-name %apache-server-name)
+                        (listen %apache-listen-ports)
                         (document-root %apache-webroot)
                         (modules (cons*
                                   (httpd-module
@@ -83,14 +98,7 @@
                                    (name "proxy_fcgi_module")
                                    (file "modules/mod_proxy_fcgi.so"))
                                   %default-httpd-modules))
-                        (extra-config (list "\
-<Directory \"/exchange\">
-    AllowOverride All
-</Directory>
-
-<FilesMatch \\.php$>
-    SetHandler \"proxy:unix:/var/run/php-fpm.sock|fcgi://localhost/\"
-</FilesMatch>"))))))
+                        (extra-config (list %apache-conf))))))
 
             (service php-fpm-service-type
                      (php-fpm-configuration