diff --git a/htdocs/compta/facture/card.php b/htdocs/compta/facture/card.php
index a65d7f6ed81..336b39224f1 100644
--- a/htdocs/compta/facture/card.php
+++ b/htdocs/compta/facture/card.php
@@ -1255,8 +1255,7 @@ if (empty($reshook))
 						if ($_POST['type'] == Facture::TYPE_DEPOSIT)
 						{
 							$typeamount = GETPOST('typedeposit', 'alpha');
-							$valuedeposit = GETPOST('valuedeposit');
-							$valuedeposit = price2num($valuedeposit, 'MU');
+							$valuedeposit = price2num(GETPOST('valuedeposit', 'alpha'), 'MU');
 
 							$amountdeposit = array();
 							if (!empty($conf->global->MAIN_DEPOSIT_MULTI_TVA))