diff --git a/htdocs/commande/class/commande.class.php b/htdocs/commande/class/commande.class.php
index 605be7e9b3f..bbdc0f84caf 100644
--- a/htdocs/commande/class/commande.class.php
+++ b/htdocs/commande/class/commande.class.php
@@ -3854,6 +3854,7 @@ class OrderLine extends CommonOrderLine
         {
             $objp = $this->db->fetch_object($result);
             $this->rowid            = $objp->rowid;
+            $this->id				= $objp->rowid;
             $this->fk_commande      = $objp->fk_commande;
             $this->fk_parent_line   = $objp->fk_parent_line;
             $this->label            = $objp->custom_label;
diff --git a/htdocs/compta/facture/class/facture.class.php b/htdocs/compta/facture/class/facture.class.php
index 4edce36b82f..32c36b477a4 100644
--- a/htdocs/compta/facture/class/facture.class.php
+++ b/htdocs/compta/facture/class/facture.class.php
@@ -4331,6 +4331,7 @@ class FactureLigne extends CommonInvoiceLine
 			$objp = $this->db->fetch_object($result);
 
 			$this->rowid				= $objp->rowid;
+			$this->id					= $objp->rowid;
 			$this->fk_facture			= $objp->fk_facture;
 			$this->fk_parent_line		= $objp->fk_parent_line;
 			$this->label				= $objp->custom_label;
diff --git a/htdocs/core/class/commonobject.class.php b/htdocs/core/class/commonobject.class.php
index 6b00474effe..a58eb656a07 100644
--- a/htdocs/core/class/commonobject.class.php
+++ b/htdocs/core/class/commonobject.class.php
@@ -2573,7 +2573,7 @@ abstract class CommonObject
 	 */
 	function update_price($exclspec=0,$roundingadjust='none',$nodatabaseupdate=0,$seller=null)
 	{
-		global $conf;
+		global $conf, $hookmanager, $action;
 
 		// Some external module want no update price after a trigger because they have another method to calculate the total (ex: with an extrafield)
 		$MODULE = "";
@@ -2664,7 +2664,10 @@ abstract class CommonObject
 				$obj = $this->db->fetch_object($resql);
 
 				// Note: There is no check on detail line and no check on total, if $forcedroundingmode = 'none'
-				if ($forcedroundingmode == '0')	// Check if data on line are consistent. This may solve lines that were not consistent because set with $forcedroundingmode='auto'
+				$parameters=array('fk_element' => $obj->rowid);
+				$reshook = $hookmanager->executeHooks('changeRoundingMode', $parameters, $this, $action); // Note that $action and $object may have been modified by some hooks
+
+				if (empty($reshook) && $forcedroundingmode == '0')	// Check if data on line are consistent. This may solve lines that were not consistent because set with $forcedroundingmode='auto'
 				{
 					$localtax_array=array($obj->localtax1_type,$obj->localtax1_tx,$obj->localtax2_type,$obj->localtax2_tx);
 					$tmpcal=calcul_price_total($obj->qty, $obj->up, $obj->remise_percent, $obj->vatrate, $obj->localtax1_tx, $obj->localtax2_tx, 0, 'HT', $obj->info_bits, $obj->product_type, $seller, $localtax_array, (isset($obj->situation_percent) ? $obj->situation_percent : 100), $multicurrency_tx);