diff --git a/htdocs/contact/class/contact.class.php b/htdocs/contact/class/contact.class.php
index b47d7017fe3..9dc2eafe182 100644
--- a/htdocs/contact/class/contact.class.php
+++ b/htdocs/contact/class/contact.class.php
@@ -1189,7 +1189,7 @@ class Contact extends CommonObject
 					}
 				}
 
-				return 1;
+				return $this->id;
 			} else {
 				$this->error = $langs->trans("RecordNotFound");
 				return 0;
diff --git a/htdocs/install/upgrade2.php b/htdocs/install/upgrade2.php
index cab8ac95395..80d2b27fd47 100644
--- a/htdocs/install/upgrade2.php
+++ b/htdocs/install/upgrade2.php
@@ -54,6 +54,7 @@ require_once $dolibarr_main_document_root.'/commande/class/commande.class.php';
 require_once $dolibarr_main_document_root.'/fourn/class/fournisseur.commande.class.php';
 require_once $dolibarr_main_document_root.'/core/lib/price.lib.php';
 require_once $dolibarr_main_document_root.'/core/class/menubase.class.php';
+require_once $dolibarr_main_document_root.'/core/lib/admin.lib.php';
 require_once $dolibarr_main_document_root.'/core/lib/files.lib.php';
 
 global $langs;
@@ -517,10 +518,11 @@ if (!GETPOST('action', 'aZ09') || preg_match('/upgrade/i', GETPOST('action', 'aZ
 			*/
 
 			// Scripts for 20.0
-			/*$afterversionarray = explode('.', '19.0.9');
+			$afterversionarray = explode('.', '19.0.9');
 			$beforeversionarray = explode('.', '20.0.9');
 			if (versioncompare($versiontoarray, $afterversionarray) >= 0 && versioncompare($versiontoarray, $beforeversionarray) <= 0) {
-			}*/
+				migrate_invoice_export_models();
+			}
 
 			// Scripts for 21.0
 			$afterversionarray = explode('.', '20.0.9');
@@ -5141,6 +5143,78 @@ function migrate_contractdet_rank()
 	}
 }
 
+/**
+ * Invoice exports been shifted (facture_1 => facture_0, facture_2 => facture_1) in version 20, shift export models accordingly
+ *
+ * @return  void
+ */
+function migrate_invoice_export_models()
+{
+	global $db, $langs;
+
+	$lock = getDolGlobalInt('MIGRATION_FLAG_INVOICE_MODELS_V20');
+
+	$firstInstallVersion = getDolGlobalString('MAIN_VERSION_FIRST_INSTALL', DOL_VERSION);
+	$migrationNeeded = (versioncompare(explode('.', $firstInstallVersion, 3), array(20, 0, -5)) < 0 && !$lock);
+
+	print '<tr class="trforrunsql"><td colspan="4">';
+	print '<b>'.$langs->trans('InvoiceExportModelsMigration')."</b>: \n";
+
+	if (! $migrationNeeded) {
+		print $langs->trans("AlreadyDone");
+		print '</td></tr>';
+		dolibarr_set_const($db, 'MIGRATION_FLAG_INVOICE_MODELS_V20', 1, 'chaine', 0, 'To flag the upgrade of invoice template has been set', 0);
+		return;
+	}
+
+
+	$db->begin();
+
+	$sql1 = "UPDATE ".$db->prefix()."export_model SET type = 'facture_0' WHERE type = 'facture_1'";
+
+	$resql1 = $db->query($sql1);
+
+	if (! $resql1) {
+		dol_print_error($db);
+		$db->rollback();
+		print '</td></tr>';
+		return;
+	}
+
+	$modified1 = $db->affected_rows($resql1);
+
+	print str_repeat('.', $modified1);
+
+	$db->free($resql1);
+
+	$sql2 = "UPDATE ".$db->prefix()."export_model SET type = 'facture_1' WHERE type = 'facture_2'";
+
+	$resql2 = $db->query($sql2);
+
+	if (! $resql2) {
+		dol_print_error($db);
+		$db->rollback();
+		print '</td></tr>';
+		return;
+	}
+
+	$modified2 = $db->affected_rows($resql2);
+
+	print str_repeat('.', $modified2);
+
+	$db->free($resql2);
+
+	if (empty($modified1 + $modified2)) {
+		print $langs->trans('NothingToDo');
+	}
+
+	$db->commit();
+
+	dolibarr_set_const($db, 'MIGRATION_FLAG_INVOICE_MODELS_V20', 1, 'chaine', 0, 'To flag the upgrade of invoice template has been set', 0);
+
+	echo '</td></tr>';
+}
+
 /**
  * Migrate Ref in bookkeeping lines
  *
diff --git a/htdocs/langs/en_US/install.lang b/htdocs/langs/en_US/install.lang
index 2d91f263383..2b3db368aab 100644
--- a/htdocs/langs/en_US/install.lang
+++ b/htdocs/langs/en_US/install.lang
@@ -220,3 +220,4 @@ NodoUpgradeAfterFiles=No action requested by external modules after upgrade of f
 MigrationContractLineRank=Migrate Contract Line to use Rank (and enable Reorder)
 MigrationProductLotPath=Migrate Product Batch files path
 MigrationAccountancyBookkeeping=Migrate accountancy bookkeeping to use a ref
+InvoiceExportModelsMigration=Migrate invoice export models
diff --git a/htdocs/modulebuilder/template/core/modules/modMyModule.class.php b/htdocs/modulebuilder/template/core/modules/modMyModule.class.php
index 83217e30f6e..25b5733b467 100644
--- a/htdocs/modulebuilder/template/core/modules/modMyModule.class.php
+++ b/htdocs/modulebuilder/template/core/modules/modMyModule.class.php
@@ -390,7 +390,7 @@ class modMyModule extends DolibarrModules
 
 
 		// Exports profiles provided by this module
-		$r = 1;
+		$r = 0;
 		/* BEGIN MODULEBUILDER EXPORT MYOBJECT */
 		/*
 		$langs->load("mymodule@mymodule");
@@ -421,7 +421,7 @@ class modMyModule extends DolibarrModules
 		/* END MODULEBUILDER EXPORT MYOBJECT */
 
 		// Imports profiles provided by this module
-		$r = 1;
+		$r = 0;
 		/* BEGIN MODULEBUILDER IMPORT MYOBJECT */
 		/*
 		$langs->load("mymodule@mymodule");