diff --git a/htdocs/compta/paiement_charge.php b/htdocs/compta/paiement_charge.php
index 7ed5baafcab..aed2708e56c 100644
--- a/htdocs/compta/paiement_charge.php
+++ b/htdocs/compta/paiement_charge.php
@@ -305,7 +305,7 @@ if ($action == 'create')
 					print img_picto("Auto fill", 'rightarrow', "class='AutoFillAmount' data-rowid='".$namef."' data-value='".($objp->amount - $sumpaid)."'");
 			$remaintopay = $objp->amount - $sumpaid;
 			print '<input type=hidden class="sum_remain" name="'.$nameRemain.'" value="'.$remaintopay.'">';
-			print '<input type="text" size="8" name="'.$namef.'" id="'.$namef.'" value="'.GETPOST('amount_'.$objp->id, 'intcomma').'">';
+			print '<input type="text" size="8" name="'.$namef.'" id="'.$namef.'" value="'.GETPOST('amount_'.$objp->id, 'alpha').'">';
 		}
 		else
 		{