diff --git a/scripts/accountancy/export-thirdpartyaccount.php b/scripts/accountancy/export-thirdpartyaccount.php
index ba4fe922ab9..4dc22193262 100755
--- a/scripts/accountancy/export-thirdpartyaccount.php
+++ b/scripts/accountancy/export-thirdpartyaccount.php
@@ -25,6 +25,10 @@
  * \brief		Page to detect empty accounting account
  */
 
+if (!defined('NOSESSION')) define('NOSESSION', '1');
+
+$path = __DIR__.'/';
+
 require_once $path."../../htdocs/master.inc.php";
 require_once DOL_DOCUMENT_ROOT.'/core/lib/report.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/date.lib.php';
diff --git a/scripts/bank/export-bank-receipts.php b/scripts/bank/export-bank-receipts.php
index 4f2a256275a..609791232ad 100755
--- a/scripts/bank/export-bank-receipts.php
+++ b/scripts/bank/export-bank-receipts.php
@@ -22,6 +22,9 @@
  * \ingroup bank
  * \brief Script file to export bank receipts into Excel files
  */
+
+if (!defined('NOSESSION')) define('NOSESSION', '1');
+
 $sapi_type = php_sapi_name();
 $script_file = basename(__FILE__);
 $path = __DIR__.'/';
diff --git a/scripts/company/export-contacts-xls-example.php b/scripts/company/export-contacts-xls-example.php
index 07262b83c0e..445a17a7d30 100755
--- a/scripts/company/export-contacts-xls-example.php
+++ b/scripts/company/export-contacts-xls-example.php
@@ -23,6 +23,9 @@
  * \ingroup company
  * \brief Script file to export contacts into an Excel file
  */
+
+if (!defined('NOSESSION')) define('NOSESSION', '1');
+
 $sapi_type = php_sapi_name();
 $script_file = basename(__FILE__);
 $path = __DIR__.'/';
diff --git a/scripts/company/sync_contacts_dolibarr2ldap.php b/scripts/company/sync_contacts_dolibarr2ldap.php
index caaa762dea5..8e5274fb69a 100755
--- a/scripts/company/sync_contacts_dolibarr2ldap.php
+++ b/scripts/company/sync_contacts_dolibarr2ldap.php
@@ -23,6 +23,9 @@
  * \ingroup ldap company
  * \brief Script to update all contacts from Dolibarr into a LDAP database
  */
+
+if (!defined('NOSESSION')) define('NOSESSION', '1');
+
 $sapi_type = php_sapi_name();
 $script_file = basename(__FILE__);
 $path = __DIR__.'/';
diff --git a/scripts/contracts/email_expire_services_to_customers.php b/scripts/contracts/email_expire_services_to_customers.php
index ae449484e7b..5c98dc2913b 100755
--- a/scripts/contracts/email_expire_services_to_customers.php
+++ b/scripts/contracts/email_expire_services_to_customers.php
@@ -24,6 +24,9 @@
  * \ingroup facture
  * \brief Script to send a mail to customers with services to expire
  */
+
+if (!defined('NOSESSION')) define('NOSESSION', '1');
+
 $sapi_type = php_sapi_name();
 $script_file = basename(__FILE__);
 $path = __DIR__.'/';
diff --git a/scripts/contracts/email_expire_services_to_representatives.php b/scripts/contracts/email_expire_services_to_representatives.php
index 06cb67c99e9..eec151376ee 100755
--- a/scripts/contracts/email_expire_services_to_representatives.php
+++ b/scripts/contracts/email_expire_services_to_representatives.php
@@ -24,6 +24,9 @@
  * \ingroup contracts
  * \brief Script to send a mail to dolibarr users linked to companies with services to expire
  */
+
+if (!defined('NOSESSION')) define('NOSESSION', '1');
+
 $sapi_type = php_sapi_name();
 $script_file = basename(__FILE__);
 $path = __DIR__.'/';
diff --git a/scripts/cron/cron_run_jobs.php b/scripts/cron/cron_run_jobs.php
index 9058577aa21..e7b830c5ae6 100755
--- a/scripts/cron/cron_run_jobs.php
+++ b/scripts/cron/cron_run_jobs.php
@@ -30,7 +30,7 @@ if (!defined('NOREQUIREMENU'))  define('NOREQUIREMENU', '1');
 if (!defined('NOREQUIREHTML'))  define('NOREQUIREHTML', '1');
 if (!defined('NOREQUIREAJAX'))  define('NOREQUIREAJAX', '1');
 if (!defined('NOLOGIN'))        define('NOLOGIN', '1');
-
+if (!defined('NOSESSION'))      define('NOSESSION', '1');
 
 $sapi_type = php_sapi_name();
 $script_file = basename(__FILE__);
diff --git a/scripts/emailings/mailing-send.php b/scripts/emailings/mailing-send.php
index 7cde66db687..6719fb2164f 100755
--- a/scripts/emailings/mailing-send.php
+++ b/scripts/emailings/mailing-send.php
@@ -25,6 +25,9 @@
  * \ingroup mailing
  * \brief Script d'envoi d'un mailing prepare et valide
  */
+
+if (!defined('NOSESSION')) define('NOSESSION', '1');
+
 $sapi_type = php_sapi_name();
 $script_file = basename(__FILE__);
 $path = __DIR__.'/';
diff --git a/scripts/invoices/email_unpaid_invoices_to_customers.php b/scripts/invoices/email_unpaid_invoices_to_customers.php
index 5617751b58b..9b59fcab6f7 100755
--- a/scripts/invoices/email_unpaid_invoices_to_customers.php
+++ b/scripts/invoices/email_unpaid_invoices_to_customers.php
@@ -24,6 +24,9 @@
  * \ingroup facture
  * \brief Script to send a mail to customers with unpaid invoices
  */
+
+if (!defined('NOSESSION')) define('NOSESSION', '1');
+
 $sapi_type = php_sapi_name();
 $script_file = basename(__FILE__);
 $path = __DIR__.'/';
diff --git a/scripts/invoices/email_unpaid_invoices_to_representatives.php b/scripts/invoices/email_unpaid_invoices_to_representatives.php
index 9bdd37ca599..d401894363d 100755
--- a/scripts/invoices/email_unpaid_invoices_to_representatives.php
+++ b/scripts/invoices/email_unpaid_invoices_to_representatives.php
@@ -24,6 +24,9 @@
  * \ingroup facture
  * \brief Script to send a mail to dolibarr users linked to companies with unpaid invoices
  */
+
+if (!defined('NOSESSION')) define('NOSESSION', '1');
+
 $sapi_type = php_sapi_name();
 $script_file = basename(__FILE__);
 $path = __DIR__.'/';
diff --git a/scripts/invoices/rebuild_merge_pdf.php b/scripts/invoices/rebuild_merge_pdf.php
index fa54bac9da8..22c55eeeb99 100755
--- a/scripts/invoices/rebuild_merge_pdf.php
+++ b/scripts/invoices/rebuild_merge_pdf.php
@@ -22,6 +22,9 @@
  * \ingroup facture
  * \brief Script to rebuild PDF and merge PDF files into one
  */
+
+if (!defined('NOSESSION')) define('NOSESSION', '1');
+
 $sapi_type = php_sapi_name();
 $script_file = basename(__FILE__);
 $path = __DIR__.'/';
diff --git a/scripts/members/sync_members_dolibarr2ldap.php b/scripts/members/sync_members_dolibarr2ldap.php
index 7b91a651b34..f0edb2fb8f3 100755
--- a/scripts/members/sync_members_dolibarr2ldap.php
+++ b/scripts/members/sync_members_dolibarr2ldap.php
@@ -23,6 +23,9 @@
  * \ingroup ldap member
  * \brief Script de mise a jour des adherents dans LDAP depuis base Dolibarr
  */
+
+if (!defined('NOSESSION')) define('NOSESSION', '1');
+
 $sapi_type = php_sapi_name();
 $script_file = basename(__FILE__);
 $path = __DIR__.'/';
@@ -40,7 +43,7 @@ require_once DOL_DOCUMENT_ROOT."/adherents/class/adherent.class.php";
 $langs->load("main");
 
 // Global variables
-$version = DOL_VERSION;
+$version = constant('DOL_VERSION');
 $error = 0;
 $confirmed = 0;
 
diff --git a/scripts/members/sync_members_ldap2dolibarr.php b/scripts/members/sync_members_ldap2dolibarr.php
index 4166772cb10..21a5075326c 100755
--- a/scripts/members/sync_members_ldap2dolibarr.php
+++ b/scripts/members/sync_members_ldap2dolibarr.php
@@ -23,6 +23,9 @@
  * \ingroup ldap member
  * \brief Script de mise a jour des adherents dans Dolibarr depuis LDAP
  */
+
+if (!defined('NOSESSION')) define('NOSESSION', '1');
+
 $sapi_type = php_sapi_name();
 $script_file = basename(__FILE__);
 $path = __DIR__.'/';
@@ -42,7 +45,7 @@ require_once DOL_DOCUMENT_ROOT."/adherents/class/subscription.class.php";
 $langs->loadLangs(array("main", "errors"));
 
 // Global variables
-$version = DOL_VERSION;
+$version = constant('DOL_VERSION');
 $error = 0;
 $forcecommit = 0;
 $confirmed = 0;
diff --git a/scripts/members/sync_members_types_dolibarr2ldap.php b/scripts/members/sync_members_types_dolibarr2ldap.php
index a07ec0a1ff3..0a22469ec80 100755
--- a/scripts/members/sync_members_types_dolibarr2ldap.php
+++ b/scripts/members/sync_members_types_dolibarr2ldap.php
@@ -24,6 +24,9 @@
  * \ingroup ldap core
  * \brief Script de mise a jour des types de membres dans LDAP depuis base Dolibarr
  */
+
+if (!defined('NOSESSION')) define('NOSESSION', '1');
+
 $sapi_type = php_sapi_name();
 $script_file = basename(__FILE__);
 $path = __DIR__.'/';
@@ -38,6 +41,7 @@ if (!isset($argv[1]) || !$argv[1]) {
 	print "Usage: ".$script_file." now\n";
 	exit(-1);
 }
+
 $now = $argv[1];
 
 require_once $path."../../htdocs/master.inc.php";
@@ -45,7 +49,7 @@ require_once DOL_DOCUMENT_ROOT."/core/class/ldap.class.php";
 require_once DOL_DOCUMENT_ROOT."/adherents/class/adherent_type.class.php";
 
 // Global variables
-$version = DOL_VERSION;
+$version = constant('DOL_VERSION');
 $error = 0;
 
 /*
diff --git a/scripts/members/sync_members_types_ldap2dolibarr.php b/scripts/members/sync_members_types_ldap2dolibarr.php
index 547b2664070..f24faf9b76a 100755
--- a/scripts/members/sync_members_types_ldap2dolibarr.php
+++ b/scripts/members/sync_members_types_ldap2dolibarr.php
@@ -25,6 +25,9 @@
  * \ingroup ldap member
  * \brief Script to update members types into Dolibarr from LDAP
  */
+
+if (!defined('NOSESSION')) define('NOSESSION', '1');
+
 $sapi_type = php_sapi_name();
 $script_file = basename(__FILE__);
 $path = __DIR__.'/';
@@ -43,7 +46,7 @@ require_once DOL_DOCUMENT_ROOT."/adherents/class/adherent_type.class.php";
 $langs->loadLangs(array("main", "errors"));
 
 // Global variables
-$version = DOL_VERSION;
+$version = constant('DOL_VERSION');
 $error = 0;
 $forcecommit = 0;
 $confirmed = 0;
diff --git a/scripts/product/migrate_picture_path.php b/scripts/product/migrate_picture_path.php
index 8e452ba13b2..849eca44514 100755
--- a/scripts/product/migrate_picture_path.php
+++ b/scripts/product/migrate_picture_path.php
@@ -23,6 +23,9 @@
  * \ingroup scripts
  * \brief Migrate pictures from old system prior to 3.7 to new path for 3.7+
  */
+
+if (!defined('NOSESSION')) define('NOSESSION', '1');
+
 $sapi_type = php_sapi_name();
 $script_file = basename(__FILE__);
 $path = __DIR__.'/';
diff --git a/scripts/product/regenerate_thumbs.php b/scripts/product/regenerate_thumbs.php
index 8434bdd9097..0d8c6380eb3 100755
--- a/scripts/product/regenerate_thumbs.php
+++ b/scripts/product/regenerate_thumbs.php
@@ -23,6 +23,9 @@
  * \ingroup scripts
  * \brief Migrate pictures from old system prior to 3.7 to new path for 3.7+
  */
+
+if (!defined('NOSESSION')) define('NOSESSION', '1');
+
 $sapi_type = php_sapi_name();
 $script_file = basename(__FILE__);
 $path = __DIR__.'/';
diff --git a/scripts/user/migrate_picture_path.php b/scripts/user/migrate_picture_path.php
index c80097bb36b..795d03b710d 100755
--- a/scripts/user/migrate_picture_path.php
+++ b/scripts/user/migrate_picture_path.php
@@ -23,6 +23,9 @@
  * \ingroup scripts
  * \brief Migrate pictures from old system prior to 3.7 to new path for 3.7+
  */
+
+if (!defined('NOSESSION')) define('NOSESSION', '1');
+
 $sapi_type = php_sapi_name();
 $script_file = basename(__FILE__);
 $path = __DIR__.'/';
diff --git a/scripts/user/sync_groups_dolibarr2ldap.php b/scripts/user/sync_groups_dolibarr2ldap.php
index c52a0151887..eb229c3d4ed 100755
--- a/scripts/user/sync_groups_dolibarr2ldap.php
+++ b/scripts/user/sync_groups_dolibarr2ldap.php
@@ -23,6 +23,9 @@
  * \ingroup ldap core
  * \brief Script de mise a jour des groupes dans LDAP depuis base Dolibarr
  */
+
+if (!defined('NOSESSION')) define('NOSESSION', '1');
+
 $sapi_type = php_sapi_name();
 $script_file = basename(__FILE__);
 $path = __DIR__.'/';
diff --git a/scripts/user/sync_groups_ldap2dolibarr.php b/scripts/user/sync_groups_ldap2dolibarr.php
index 28c580dce63..5432ded78ee 100755
--- a/scripts/user/sync_groups_ldap2dolibarr.php
+++ b/scripts/user/sync_groups_ldap2dolibarr.php
@@ -24,6 +24,9 @@
  * \ingroup ldap member
  * \brief Script to update groups into Dolibarr from LDAP
  */
+
+if (!defined('NOSESSION')) define('NOSESSION', '1');
+
 $sapi_type = php_sapi_name();
 $script_file = basename(__FILE__);
 $path = __DIR__.'/';
diff --git a/scripts/user/sync_users_dolibarr2ldap.php b/scripts/user/sync_users_dolibarr2ldap.php
index 5d36bcf44be..4f6fd00d1c7 100755
--- a/scripts/user/sync_users_dolibarr2ldap.php
+++ b/scripts/user/sync_users_dolibarr2ldap.php
@@ -23,6 +23,9 @@
  * \ingroup ldap core
  * \brief Script de mise a jour des users dans LDAP depuis base Dolibarr
  */
+
+if (!defined('NOSESSION')) define('NOSESSION', '1');
+
 $sapi_type = php_sapi_name();
 $script_file = basename(__FILE__);
 $path = __DIR__.'/';
diff --git a/scripts/user/sync_users_ldap2dolibarr.php b/scripts/user/sync_users_ldap2dolibarr.php
index c8502cd1f14..375cb2f43ba 100755
--- a/scripts/user/sync_users_ldap2dolibarr.php
+++ b/scripts/user/sync_users_ldap2dolibarr.php
@@ -23,6 +23,9 @@
  * \ingroup ldap member
  * \brief Script to update users into Dolibarr from LDAP
  */
+
+if (!defined('NOSESSION')) define('NOSESSION', '1');
+
 $sapi_type = php_sapi_name();
 $script_file = basename(__FILE__);
 $path = __DIR__.'/';
diff --git a/scripts/website/migrate-news-joomla2dolibarr.php b/scripts/website/migrate-news-joomla2dolibarr.php
index b4399ba0885..dfd92a19acf 100755
--- a/scripts/website/migrate-news-joomla2dolibarr.php
+++ b/scripts/website/migrate-news-joomla2dolibarr.php
@@ -22,6 +22,8 @@
  * \brief Migrate news from a Joomla databse into a Dolibarr website
  */
 
+if (!defined('NOSESSION')) define('NOSESSION', '1');
+
 $sapi_type = php_sapi_name();
 $script_file = basename(__FILE__);
 $path = __DIR__.'/';
diff --git a/scripts/website/regenerate-pages.php b/scripts/website/regenerate-pages.php
index dfd49c1fe29..a50db09708d 100755
--- a/scripts/website/regenerate-pages.php
+++ b/scripts/website/regenerate-pages.php
@@ -22,6 +22,8 @@
  * \brief Regenerate all pages of a web site
  */
 
+if (!defined('NOSESSION')) define('NOSESSION', '1');
+
 $sapi_type = php_sapi_name();
 $script_file = basename(__FILE__);
 $path = __DIR__.'/';
diff --git a/scripts/withdrawals/build_withdrawal_file.php b/scripts/withdrawals/build_withdrawal_file.php
index d6ffe710a90..5ae7ba70bf4 100755
--- a/scripts/withdrawals/build_withdrawal_file.php
+++ b/scripts/withdrawals/build_withdrawal_file.php
@@ -23,6 +23,9 @@
  * \ingroup prelevement
  * \brief Script de prelevement
  */
+
+if (!defined('NOSESSION')) define('NOSESSION', '1');
+
 $sapi_type = php_sapi_name();
 $script_file = basename(__FILE__);
 $path = __DIR__.'/';
@@ -40,7 +43,7 @@ require_once DOL_DOCUMENT_ROOT."/societe/class/societe.class.php";
 require_once DOL_DOCUMENT_ROOT."/compta/paiement/class/paiement.class.php";
 
 // Global variables
-$version = DOL_VERSION;
+$version = constant('DOL_VERSION');
 $error = 0;
 
 /*