diff --git a/htdocs/core/lib/price.lib.php b/htdocs/core/lib/price.lib.php
index f85e78865ed..0376b70ecd8 100644
--- a/htdocs/core/lib/price.lib.php
+++ b/htdocs/core/lib/price.lib.php
@@ -192,8 +192,8 @@ function calcul_price_total($qty, $pu, $remise_percent_ligne, $txtva, $uselocalt
 
 	// initialize total (may be HT or TTC depending on price_base_type)
 	$tot_sans_remise = $pu * $qty * $progress / 100;
-	$tot_avec_remise_ligne = $tot_sans_remise * (1 - ($remise_percent_ligne / 100));
-	$tot_avec_remise       = $tot_avec_remise_ligne * (1 - ($remise_percent_global / 100));
+	$tot_avec_remise_ligne = $tot_sans_remise * (1 - ((float) $remise_percent_ligne / 100));
+	$tot_avec_remise       = $tot_avec_remise_ligne * (1 - ((float) $remise_percent_global / 100));
 
 	// initialize result array
 	for ($i = 0; $i <= 15; $i++) {
diff --git a/htdocs/supplier_proposal/card.php b/htdocs/supplier_proposal/card.php
index 66f69a25ff9..71d9668dc92 100644
--- a/htdocs/supplier_proposal/card.php
+++ b/htdocs/supplier_proposal/card.php
@@ -972,7 +972,7 @@ if (empty($reshook)) {
 			}
 
 			$ttc = price2num(GETPOST('price_ttc'), '', 2);
-			$ht = $ttc / (1 + ($vatratecleaned / 100));
+			$ht = (float) $ttc / (1 + ((float) $vatratecleaned / 100));
 			$price_base_type = 'HT';
 		}
 
@@ -1879,7 +1879,7 @@ if ($action == 'create') {
 	// Show object lines
 	$result = $object->getLinesArray();
 
-	print '	<form name="addproduct" id="addproduct" action="'.$_SERVER["PHP_SELF"].'?id='.$object->id.(($action != 'editline') ? '#add' : '#line_'.GETPOST('lineid', 'int')).'" method="POST">
+	print '	<form name="addproduct" id="addproduct" action="'.$_SERVER["PHP_SELF"].'?id='.$object->id.(($action != 'editline') ? '#add' : '').'" method="POST">
 	<input type="hidden" name="token" value="' . newToken().'">
 	<input type="hidden" name="action" value="' . (($action != 'editline') ? 'addline' : 'updateline').'">
 	<input type="hidden" name="mode" value="">