diff --git a/htdocs/compta/facture/card.php b/htdocs/compta/facture/card.php
index 99bf843f50b..5d567cd7282 100644
--- a/htdocs/compta/facture/card.php
+++ b/htdocs/compta/facture/card.php
@@ -128,6 +128,7 @@ $usercanread = $user->rights->facture->lire;
 $usercancreate = $user->rights->facture->creer;
 $usercanissuepayment = $user->rights->facture->paiement;
 $usercandelete = $user->rights->facture->supprimer;
+$usercancreatecontract = $user->rights->contrat->creer;
 $usercanvalidate = ((empty($conf->global->MAIN_USE_ADVANCED_PERMS) && $usercancreate) || (!empty($conf->global->MAIN_USE_ADVANCED_PERMS) && !empty($user->rights->facture->invoice_advance->validate)));
 $usercansend = (empty($conf->global->MAIN_USE_ADVANCED_PERMS) || (!empty($conf->global->MAIN_USE_ADVANCED_PERMS) && !empty($user->rights->facture->invoice_advance->send)));
 $usercanreopen = ((empty($conf->global->MAIN_USE_ADVANCED_PERMS) && $usercancreate) || (!empty($conf->global->MAIN_USE_ADVANCED_PERMS) && !empty($user->rights->facture->invoice_advance->reopen)));
@@ -5325,6 +5326,17 @@ if ($action == 'create') {
 				}
 			}
 
+			// Create contract
+			if (!empty($conf->global->CONTRACT_CREATE_FROM_INVOICE)) {
+				if ($conf->contrat->enabled && $object->statut == Facture::STATUS_VALIDATED) {
+					$langs->load("contracts");
+
+					if ($usercancreatecontract) {
+						print '<a class="butAction" href="' . DOL_URL_ROOT . '/contrat/card.php?action=create&amp;origin=' . $object->element . '&amp;originid=' . $object->id . '&amp;socid=' . $object->socid . '">' . $langs->trans('AddContract') . '</a>';
+					}
+				}
+			}
+
 			// Validate
 			if ($object->statut == Facture::STATUS_DRAFT && count($object->lines) > 0 && ((($object->type == Facture::TYPE_STANDARD || $object->type == Facture::TYPE_REPLACEMENT || $object->type == Facture::TYPE_DEPOSIT || $object->type == Facture::TYPE_PROFORMA || $object->type == Facture::TYPE_SITUATION) && (!empty($conf->global->FACTURE_ENABLE_NEGATIVE) || $object->total_ttc >= 0)) || ($object->type == Facture::TYPE_CREDIT_NOTE && $object->total_ttc <= 0))) {
 				if ($usercanvalidate) {
diff --git a/htdocs/contrat/card.php b/htdocs/contrat/card.php
index f77b59a1f49..22047984d34 100644
--- a/htdocs/contrat/card.php
+++ b/htdocs/contrat/card.php
@@ -40,6 +40,9 @@ require_once DOL_DOCUMENT_ROOT.'/core/modules/contract/modules_contract.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/doleditor.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
+if (!empty($conf->facture->enabled) && !empty($conf->global->CONTRACT_CREATE_FROM_INVOICE)) {
+	require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
+}
 if (!empty($conf->propal->enabled)) {
 	require_once DOL_DOCUMENT_ROOT.'/comm/propal/class/propal.class.php';
 }
@@ -248,6 +251,12 @@ if (empty($reshook)) {
 				if ($element == 'propal') {
 					$element = 'comm/propal'; $subelement = 'propal';
 				}
+				if (!empty($conf->global->CONTRACT_CREATE_FROM_INVOICE)) {
+					if ($element == 'invoice' || $element == 'facture') {
+						$element = 'compta/facture';
+						$subelement = 'facture';
+					}
+				}
 
 				$object->origin    = $origin;
 				$object->origin_id = $originid;
@@ -1038,6 +1047,12 @@ if ($action == 'create') {
 			if ($element == 'propal') {
 				$element = 'comm/propal'; $subelement = 'propal';
 			}
+			if (!empty($conf->global->CONTRACT_CREATE_FROM_INVOICE)) {
+				if ($element == 'invoice' || $element == 'facture') {
+					$element = 'compta/facture';
+					$subelement = 'facture';
+				}
+			}
 
 			dol_include_once('/'.$element.'/class/'.$subelement.'.class.php');