diff --git a/htdocs/commande/class/commande.class.php b/htdocs/commande/class/commande.class.php
index 9007490d421..c7a9dc66756 100644
--- a/htdocs/commande/class/commande.class.php
+++ b/htdocs/commande/class/commande.class.php
@@ -3869,6 +3869,7 @@ 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 3a0a75043f2..0bf4d738bd0 100644
--- a/htdocs/compta/facture/class/facture.class.php
+++ b/htdocs/compta/facture/class/facture.class.php
@@ -4303,6 +4303,7 @@ 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				= $objp->custom_label;
diff --git a/htdocs/core/class/commonobject.class.php b/htdocs/core/class/commonobject.class.php
index b84d31ddae3..c461742c0bc 100644
--- a/htdocs/core/class/commonobject.class.php
+++ b/htdocs/core/class/commonobject.class.php
@@ -2375,7 +2375,7 @@ abstract class CommonObject
 	 */
 	function update_price($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 = "";
@@ -2466,7 +2466,10 @@ 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);