diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index c422bb91528..796011085dd 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -2907,7 +2907,7 @@ class Form
 							$objp->fprice = $price_result;
 							if ($objp->quantity >= 1)
 							{
-								$objp->unitprice = $objp->fprice / $objp->quantity;
+								$objp->unitprice = $objp->fprice / $objp->quantity;	// Replace dynamically unitprice
 							}
 						}
 					}
@@ -2974,7 +2974,7 @@ class Form
 				if (empty($objp->idprodfournprice) && empty($alsoproductwithnosupplierprice)) $opt .= ' disabled';
 				if (!empty($objp->idprodfournprice) && $objp->idprodfournprice > 0)
 				{
-					$opt .= ' pbq="'.$objp->idprodfournprice.'" data-pbq="'.$objp->idprodfournprice.'" data-pbqqty="'.$objp->quantity.'" data-pbqpercent="'.$objp->remise_percent.'"';
+					$opt .= ' pbq="'.$objp->idprodfournprice.'" data-pbq="'.$objp->idprodfournprice.'" data-pbqqty="'.$objp->quantity.'" data-pbqup="'.$objp->unitprice.'" data-pbqpercent="'.$objp->remise_percent.'"';
 				}
 				$opt .= ' data-html="'.dol_escape_htmltag($optlabel).'"';
 				$opt .= '>';
@@ -2989,7 +2989,7 @@ class Form
 				// "key" value of json key array is used by jQuery automatically as selected value
 				// "label" value of json key array is used by jQuery automatically as text for combo box
 				$out .= $opt;
-				array_push($outarray, array('key'=>$outkey, 'value'=>$outref, 'label'=>$outval, 'qty'=>$outqty, 'discount'=>$outdiscount, 'type'=>$outtype, 'duration_value'=>$outdurationvalue, 'duration_unit'=>$outdurationunit, 'disabled'=>(empty($objp->idprodfournprice) ?true:false)));
+				array_push($outarray, array('key'=>$outkey, 'value'=>$outref, 'label'=>$outval, 'qty'=>$outqty, 'up'=>$objp->unitprice, 'discount'=>$outdiscount, 'type'=>$outtype, 'duration_value'=>$outdurationvalue, 'duration_unit'=>$outdurationunit, 'disabled'=>(empty($objp->idprodfournprice) ?true:false)));
 				// Exemple of var_dump $outarray
 				// array(1) {[0]=>array(6) {[key"]=>string(1) "2" ["value"]=>string(3) "ppp"
 				//           ["label"]=>string(76) "ppp (<strong>f</strong>ff2) - ppp - 20,00 Euros/1unité (20,00 Euros/unité)"
diff --git a/htdocs/core/tpl/objectline_create.tpl.php b/htdocs/core/tpl/objectline_create.tpl.php
index 2fffe30276a..7cc472e987e 100644
--- a/htdocs/core/tpl/objectline_create.tpl.php
+++ b/htdocs/core/tpl/objectline_create.tpl.php
@@ -261,7 +261,7 @@ if ($nolinesbefore) {
 				if ($senderissupplier != 2)
 				{
 					$ajaxoptions = array(
-					'update' => array('qty'=>'qty', 'remise_percent' => 'discount', 'idprod' => 'idprod'), // html id tags that will be edited with which ajax json response key
+					'update' => array('qty'=>'qty', 'remise_percent' => 'discount', 'idprod' => 'idprod'), // html id tags that will be edited with each ajax json response key
 					'option_disabled' => 'idthatdoesnotexists', // html id to disable once select is done
 					'warning' => $langs->trans("NoPriceDefinedForThisSupplier") // translation of an error saved into var 'warning' (for example shown we select a disabled option into combo)
 					);