diff --git a/Makefile b/Makefile
index f3afe3714..7803a15de 100644
--- a/Makefile
+++ b/Makefile
@@ -122,12 +122,14 @@ ERASECONFIG=1 # Set to 0 if you do not want to replace your configuration
 MANAGERJSONSRC= scripts/jsongenerator.pl \
 		$(SRCMANAGERDIR)/lib/Lemonldap/NG/Manager/Build.pm \
 		$(SRCMANAGERDIR)/lib/Lemonldap/NG/Manager/Build/Attributes.pm \
-		$(SRCMANAGERDIR)/lib/Lemonldap/NG/Manager/Build/Tree.pm
+		$(SRCMANAGERDIR)/lib/Lemonldap/NG/Manager/Build/Tree.pm \
+		$(SRCMANAGERDIR)/lib/Lemonldap/NG/Manager/Conf/Zero.pm
 MANAGERJSONDST=$(SRCMANAGERDIR)/site/static/struct.json \
 		$(SRCMANAGERDIR)/site/static/js/conftree.js \
 		$(SRCMANAGERDIR)/lib/Lemonldap/NG/Manager/Attributes.pm \
 		$(SRCMANAGERDIR)/lib/Lemonldap/NG/Manager/Constants.pm \
-		$(SRCCOMMONDIR)/lib/Lemonldap/NG/Common/Conf/DefaultValues.pm
+		$(SRCCOMMONDIR)/lib/Lemonldap/NG/Common/Conf/DefaultValues.pm \
+		_example/conf/lmConf-1.js
 PERLCOMMONSRC:=$(shell find $(SRCCOMMONDIR)/lib -name '*.pm')
 PERLCOMMONDST=$(SRCCOMMONDIR)/blib/lib/Lemonldap/NG/Common.pm
 PERLHANDLERSRC:=$(shell find $(SRCHANDLERDIR)/lib -name '*.pm')
diff --git a/_example/conf/lmConf-1.js b/_example/conf/lmConf-1.js
index 75c48c050..e543dec3f 100644
--- a/_example/conf/lmConf-1.js
+++ b/_example/conf/lmConf-1.js
@@ -1,145 +1,98 @@
 {
-   "portal" : "http://auth.__DNSDOMAIN__/",
-   "persistentStorage" : "Apache::Session::File",
-   "portalSkinBackground" : "1280px-Cedar_Breaks_National_Monument_partially.jpg",
-   "globalStorageOptions" : {
-      "LockDirectory" : "__SESSIONDIR__/lock",
-      "Directory" : "__SESSIONDIR__",
-      "generateModule" : "Lemonldap::NG::Common::Apache::Session::Generate::SHA256"
-   },
-   "passwordDB" : "Demo",
-   "locationRules" : {
-      "test2.__DNSDOMAIN__" : {
-         "default" : "accept",
-         "^/logout" : "logout_sso"
-      },
-      "manager.__DNSDOMAIN__" : {
-         "default" : "$uid eq \"dwho\""
-      },
-      "test1.__DNSDOMAIN__" : {
-         "^/logout" : "logout_sso",
-         "default" : "accept"
-      }
-   },
-   "cfgNum" : "1",
-   "exportedVars" : {
-      "UA" : "HTTP_USER_AGENT"
-   },
-   "authentication" : "Demo",
-   "mailUrl" : "http://auth.__DNSDOMAIN__/mail.pl",
    "applicationList" : {
       "1sample" : {
          "catname" : "Sample applications",
-         "test2" : {
+         "test1" : {
             "options" : {
-               "uri" : "http://test2.__DNSDOMAIN__/",
+               "description" : "A simple application displaying authenticated user",
                "display" : "auto",
-               "name" : "Application Test 2",
-               "description" : "The same simple application displaying authenticated user",
-               "logo" : "thumbnail.png"
+               "logo" : "demo.png",
+               "name" : "Application Test 1",
+               "uri" : "http://test1.__DNSDOMAIN__/"
             },
             "type" : "application"
          },
-         "test1" : {
+         "test2" : {
             "options" : {
-               "logo" : "demo.png",
-               "description" : "A simple application displaying authenticated user",
-               "name" : "Application Test 1",
-               "uri" : "http://test1.__DNSDOMAIN__/",
-               "display" : "auto"
+               "description" : "The same simple application displaying authenticated user",
+               "display" : "auto",
+               "logo" : "thumbnail.png",
+               "name" : "Application Test 2",
+               "uri" : "http://test2.__DNSDOMAIN__/"
+            },
+            "type" : "application"
+         },
+         "type" : "category"
+      },
+      "2administration" : {
+         "catname" : "Administration",
+         "manager" : {
+            "options" : {
+               "description" : "Configure LemonLDAP::NG WebSSO",
+               "display" : "auto",
+               "logo" : "configure.png",
+               "name" : "WebSSO Manager",
+               "uri" : "http://manager.__DNSDOMAIN__/manager.html"
+            },
+            "type" : "application"
+         },
+         "notifications" : {
+            "options" : {
+               "description" : "Explore WebSSO notifications",
+               "display" : "auto",
+               "logo" : "database.png",
+               "name" : "Notifications explorer",
+               "uri" : "http://manager.__DNSDOMAIN__/notifications.html"
+            },
+            "type" : "application"
+         },
+         "sessions" : {
+            "options" : {
+               "description" : "Explore WebSSO sessions",
+               "display" : "auto",
+               "logo" : "database.png",
+               "name" : "Sessions explorer",
+               "uri" : "http://manager.__DNSDOMAIN__/sessions.html"
             },
             "type" : "application"
          },
          "type" : "category"
       },
       "3documentation" : {
-         "officialwebsite" : {
-            "type" : "application",
-            "options" : {
-               "logo" : "network.png",
-               "display" : "on",
-               "uri" : "http://lemonldap-ng.org/",
-               "description" : "Official LemonLDAP::NG Website",
-               "name" : "Offical Website"
-            }
-         },
+         "catname" : "Documentation",
          "localdoc" : {
             "options" : {
-               "logo" : "help.png",
-               "uri" : "http://manager.__DNSDOMAIN__/doc/",
+               "description" : "Documentation supplied with LemonLDAP::NG",
                "display" : "on",
+               "logo" : "help.png",
                "name" : "Local documentation",
-               "description" : "Documentation supplied with LemonLDAP::NG"
+               "uri" : "http://manager.__DNSDOMAIN__/doc/"
             },
             "type" : "application"
          },
-         "type" : "category",
-         "catname" : "Documentation"
-      },
-      "2administration" : {
-         "type" : "category",
-         "manager" : {
+         "officialwebsite" : {
             "options" : {
-               "logo" : "configure.png",
-               "uri" : "http://manager.__DNSDOMAIN__/manager.html",
-               "display" : "auto",
-               "name" : "WebSSO Manager",
-               "description" : "Configure LemonLDAP::NG WebSSO"
+               "description" : "Official LemonLDAP::NG Website",
+               "display" : "on",
+               "logo" : "network.png",
+               "name" : "Offical Website",
+               "uri" : "http://lemonldap-ng.org/"
             },
             "type" : "application"
          },
-         "sessions" : {
-            "type" : "application",
-            "options" : {
-               "logo" : "database.png",
-               "uri" : "http://manager.__DNSDOMAIN__/sessions.html",
-               "display" : "auto",
-               "description" : "Explore WebSSO sessions",
-               "name" : "Sessions explorer"
-            }
-         },
-         "catname" : "Administration",
-         "notifications" : {
-            "type" : "application",
-            "options" : {
-               "logo" : "database.png",
-               "uri" : "http://manager.__DNSDOMAIN__/notifications.html",
-               "display" : "auto",
-               "description" : "Explore WebSSO notifications",
-               "name" : "Notifications explorer"
-            }
-         }
+         "type" : "category"
       }
    },
-   "notificationStorage" : "File",
+   "authentication" : "Demo",
    "cfgAuthor" : "The LemonLDAP::NG team",
-   "sessionDataToRemember" : {},
-   "notification" : 1,
-   "persistentStorageOptions" : {
-      "Directory" : "__PSESSIONDIR__",
-      "LockDirectory" : "__PSESSIONDIR__/lock"
+   "cfgNum" : "1",
+   "cookieName" : "lemonldap",
+   "demoExportedVars" : {
+      "cn" : "cn",
+      "mail" : "mail",
+      "uid" : "uid"
    },
    "domain" : "__DNSDOMAIN__",
-   "notificationStorageOptions" : {
-      "dirName" : "__NOTIFICATIONDIR__"
-   },
-   "reloadUrls" : {
-      "reload.__DNSDOMAIN__" : "http://reload.__DNSDOMAIN__/reload"
-   },
-   "cookieName" : "lemonldap",
-   "securedCookie" : 0,
-   "whatToTrace" : "_whatToTrace",
-   "groups" : {},
-   "macros" : {
-      "_whatToTrace" : "$_auth eq 'SAML' ? \"$_user\\@$_idpConfKey\" : \"$_user\""
-   },
-   "timeout" : 72000,
-   "demoExportedVars" : {
-      "uid" : "uid",
-      "cn" : "cn",
-      "mail" : "mail"
-   },
-   "userDB" : "Demo",
    "exportedHeaders" : {
       "test1.__DNSDOMAIN__" : {
          "Auth-User" : "$uid"
@@ -148,7 +101,54 @@
          "Auth-User" : "$uid"
       }
    },
+   "exportedVars" : {
+      "UA" : "HTTP_USER_AGENT"
+   },
+   "globalStorage" : "Apache::Session::File",
+   "globalStorageOptions" : {
+      "Directory" : "__SESSIONDIR__",
+      "LockDirectory" : "__SESSIONDIR__/lock",
+      "generateModule" : "Lemonldap::NG::Common::Apache::Session::Generate::SHA256"
+   },
+   "groups" : {},
+   "locationRules" : {
+      "manager.__DNSDOMAIN__" : {
+         "default" : "$uid eq \"dwho\""
+      },
+      "test1.__DNSDOMAIN__" : {
+         "^/logout" : "logout_sso",
+         "default" : "accept"
+      },
+      "test2.__DNSDOMAIN__" : {
+         "^/logout" : "logout_sso",
+         "default" : "accept"
+      }
+   },
    "loginHistoryEnabled" : 1,
+   "macros" : {
+      "_whatToTrace" : "$_auth eq 'SAML' ? \"$_user\\@$_idpConfKey\" : \"$_user\""
+   },
+   "mailUrl" : "http://auth.__DNSDOMAIN__/mail.pl",
+   "notification" : 1,
+   "notificationStorage" : "File",
+   "notificationStorageOptions" : {
+      "dirName" : "__NOTIFICATIONDIR__"
+   },
+   "passwordDB" : "Demo",
+   "persistentStorage" : "Apache::Session::File",
+   "persistentStorageOptions" : {
+      "Directory" : "__PSESSIONDIR__",
+      "LockDirectory" : "__PSESSIONDIR__/lock"
+   },
+   "portal" : "http://auth.__DNSDOMAIN__/",
+   "portalSkinBackground" : "1280px-Cedar_Breaks_National_Monument_partially.jpg",
    "registerUrl" : "http://auth.__DNSDOMAIN__/register.pl",
-   "globalStorage" : "Apache::Session::File"
+   "reloadUrls" : {
+      "reload.__DNSDOMAIN__" : "http://reload.__DNSDOMAIN__/reload"
+   },
+   "securedCookie" : 0,
+   "sessionDataToRemember" : {},
+   "timeout" : 72000,
+   "userDB" : "Demo",
+   "whatToTrace" : "_whatToTrace"
 }
diff --git a/lemonldap-ng-manager/lib/Lemonldap/NG/Manager/Attributes.pm b/lemonldap-ng-manager/lib/Lemonldap/NG/Manager/Attributes.pm
index c446061ff..c0a8d028e 100644
--- a/lemonldap-ng-manager/lib/Lemonldap/NG/Manager/Attributes.pm
+++ b/lemonldap-ng-manager/lib/Lemonldap/NG/Manager/Attributes.pm
@@ -181,7 +181,7 @@ qr/^(?:(?:\-+\s*BEGIN\s+PUBLIC\s+KEY\s*\-+\r?\n)?[a-zA-Z0-9\/\+\r\n]+={0,2}(?:\r
             'test' => sub {
                 my $test =
                   grep( { $_ eq $_[0]; }
-                    map( { $$_{'k'}; } @{ $_[2]{'select'}; } ) );
+                    map( { $_->{'k'}; } @{ $_[2]{'select'}; } ) );
                 return $test
                   ? 1
                   : ( 0, "Invalid value '$_[0]' for this select" );
@@ -998,7 +998,7 @@ qr/^(?:(?:(?:(?:[a-zA-Z0-9][-a-zA-Z0-9]*)?[a-zA-Z0-9])[.])*(?:[a-zA-Z][-a-zA-Z0-
             'default' => 'ldap://localhost',
             'test'    => sub {
                 my $l = shift();
-                my (@s) = split( /[\s,]+/, $l, 0 );
+                my @s = split( /[\s,]+/, $l, 0 );
                 foreach my $s (@s) {
                     return 0, qq[Bad ldap uri "$s"]
                       unless $s =~
diff --git a/lemonldap-ng-manager/lib/Lemonldap/NG/Manager/Build.pm b/lemonldap-ng-manager/lib/Lemonldap/NG/Manager/Build.pm
index 0bce42937..6bbf86d47 100644
--- a/lemonldap-ng-manager/lib/Lemonldap/NG/Manager/Build.pm
+++ b/lemonldap-ng-manager/lib/Lemonldap/NG/Manager/Build.pm
@@ -5,6 +5,7 @@ use Mouse;
 use Lemonldap::NG::Manager::Build::Attributes;
 use Lemonldap::NG::Manager::Build::Tree;
 use Lemonldap::NG::Manager::Build::CTrees;
+use Lemonldap::NG::Manager::Conf::Zero;
 use Data::Dumper;
 use Regexp::Assemble;
 use JSON::MaybeXS;
@@ -16,6 +17,7 @@ has confTreeFile          => ( isa => 'Str', is => 'ro', required => 1 );
 has managerConstantsFile  => ( isa => 'Str', is => 'ro', required => 1 );
 has managerAttributesFile => ( isa => 'Str', is => 'ro', required => 1 );
 has defaultValuesFile     => ( isa => 'Str', is => 'ro', required => 1 );
+has firstLmConfFile       => ( isa => 'Str', is => 'ro', required => 1 );
 
 my @managerAttrKeys = qw(keyTest select type test msgFail default);
 my $format          = 'Creating %-69s: ';
@@ -249,6 +251,23 @@ $managerAttr}
     print F $dst;
     close F;
     print STDERR "done\n";
+
+    $self->buildZeroConf();
+}
+
+sub buildZeroConf {
+    my $self = shift;
+    $jsonEnc->pretty(1);
+    printf STDERR $format, $self->firstLmConfFile;
+    open( F, '>', $self->firstLmConfFile ) or die($!);
+    print F $jsonEnc->encode(
+        Lemonldap::NG::Manager::Conf::Zero::zeroConf(
+            '__DNSDOMAIN__',   '__SESSIONDIR__',
+            '__PSESSIONDIR__', '__NOTIFICATIONDIR__'
+        )
+    );
+    close F;
+    print STDERR "done\n";
 }
 
 sub mydump {
@@ -393,6 +412,7 @@ system.
     managerConstantsFile  => "lib/Lemonldap/NG/Manager/Constants.pm",
     managerAttributesFile => 'lib/Lemonldap/NG/Manager/Attributes.pm',
     defaultValuesFile     => "lib/Lemonldap/NG/Common/Conf/DefaultValues.pm",
+    firstLmConfFile       => "_example/conf/lmConf-1.js",
   );
 
 =head1 DESCRIPTION
diff --git a/lemonldap-ng-manager/lib/Lemonldap/NG/Manager/Conf/Zero.pm b/lemonldap-ng-manager/lib/Lemonldap/NG/Manager/Conf/Zero.pm
index f8324e1be..75e77dde9 100644
--- a/lemonldap-ng-manager/lib/Lemonldap/NG/Manager/Conf/Zero.pm
+++ b/lemonldap-ng-manager/lib/Lemonldap/NG/Manager/Conf/Zero.pm
@@ -1,7 +1,7 @@
 package Lemonldap::NG::Manager::Conf::Zero;
 
 sub zeroConf {
-    my ($domain, $sessionDir, $notificationDir, $persistentSessionDir) = @_;
+    my ($domain, $sessionDir, $persistentSessionDir, $notificationDir) = @_;
     $domain ||= 'example.com';
     $sessionDir ||= '/var/lib/lemonldap-ng/sessions';
     $persistentSessionDir ||= '/var/lib/lemonldap-ng/psessions';
diff --git a/scripts/jsongenerator.pl b/scripts/jsongenerator.pl
index ef922d32e..f38e3680b 100755
--- a/scripts/jsongenerator.pl
+++ b/scripts/jsongenerator.pl
@@ -8,5 +8,6 @@ Lemonldap::NG::Manager::Build->run(
     managerConstantsFile  => "lemonldap-ng-manager/lib/Lemonldap/NG/Manager/Constants.pm",
     managerAttributesFile => 'lemonldap-ng-manager/lib/Lemonldap/NG/Manager/Attributes.pm',
     defaultValuesFile     => "lemonldap-ng-common/lib/Lemonldap/NG/Common/Conf/DefaultValues.pm",
+    firstLmConfFile       => "_example/conf/lmConf-1.js",
 );