diff --git a/htdocs/compta/facture/class/api_invoices.class.php b/htdocs/compta/facture/class/api_invoices.class.php
index 3623a36cbb9..51fd8c1dd7a 100644
--- a/htdocs/compta/facture/class/api_invoices.class.php
+++ b/htdocs/compta/facture/class/api_invoices.class.php
@@ -451,7 +451,8 @@ class Invoices extends DolibarrApi
 			$request_data->fk_unit,
 			$request_data->multicurrency_subprice,
 			0,
-			$request_data->ref_ext
+			$request_data->ref_ext,
+			$request_data->rang
 		);
 
 		if ($updateRes > 0) {
diff --git a/htdocs/compta/facture/class/facture.class.php b/htdocs/compta/facture/class/facture.class.php
index e29ecc251ff..8dca3d2ffef 100644
--- a/htdocs/compta/facture/class/facture.class.php
+++ b/htdocs/compta/facture/class/facture.class.php
@@ -3840,9 +3840,10 @@ class Facture extends CommonInvoice
 	 * 	@param		double		$pu_ht_devise		Unit price in currency
 	 * 	@param		int			$notrigger			disable line update trigger
 	 *  @param		string		$ref_ext		    External reference of the line
+	 *  @param		integer		$rang		    	rank of line
 	 *  @return    	int             				< 0 if KO, > 0 if OK
 	 */
-	public function updateline($rowid, $desc, $pu, $qty, $remise_percent, $date_start, $date_end, $txtva, $txlocaltax1 = 0, $txlocaltax2 = 0, $price_base_type = 'HT', $info_bits = 0, $type = self::TYPE_STANDARD, $fk_parent_line = 0, $skip_update_total = 0, $fk_fournprice = null, $pa_ht = 0, $label = '', $special_code = 0, $array_options = 0, $situation_percent = 100, $fk_unit = null, $pu_ht_devise = 0, $notrigger = 0, $ref_ext = '')
+	public function updateline($rowid, $desc, $pu, $qty, $remise_percent, $date_start, $date_end, $txtva, $txlocaltax1 = 0, $txlocaltax2 = 0, $price_base_type = 'HT', $info_bits = 0, $type = self::TYPE_STANDARD, $fk_parent_line = 0, $skip_update_total = 0, $fk_fournprice = null, $pa_ht = 0, $label = '', $special_code = 0, $array_options = 0, $situation_percent = 100, $fk_unit = null, $pu_ht_devise = 0, $notrigger = 0, $ref_ext = '', $rang=0)
 	{
 		global $conf, $user;
 		// Deprecation warning
@@ -3970,6 +3971,7 @@ class Facture extends CommonInvoice
 			$line->oldline = $staticline;
 			$this->line = $line;
 			$this->line->context = $this->context;
+			$this->line->rang = $rang;
 
 			// Reorder if fk_parent_line change
 			if (!empty($fk_parent_line) && !empty($staticline->fk_parent_line) && $fk_parent_line != $staticline->fk_parent_line) {