diff --git a/htdocs/compta/tva/class/paymentvat.class.php b/htdocs/compta/tva/class/paymentvat.class.php
index 1c72b1ff444..1776fe56a77 100644
--- a/htdocs/compta/tva/class/paymentvat.class.php
+++ b/htdocs/compta/tva/class/paymentvat.class.php
@@ -189,7 +189,7 @@ class PaymentVAT extends CommonObject
 			$this->fk_tva = (int) $this->fk_tva;
 		}
 		if (isset($this->amount)) {
-			$this->amount = trim($this->amount);
+			$this->amount = (float) $this->amount;
 		}
 		if (isset($this->fk_typepaiement)) {
 			$this->fk_typepaiement = (int) $this->fk_typepaiement;
@@ -215,11 +215,11 @@ class PaymentVAT extends CommonObject
 
 		$totalamount = 0;
 		foreach ($this->amounts as $key => $value) {  // How payment is dispatch
-			$newvalue = price2num($value, 'MT');
+			$newvalue = (float) price2num($value, 'MT');
 			$this->amounts[$key] = $newvalue;
 			$totalamount += $newvalue;
 		}
-		$totalamount = price2num($totalamount);
+		// $totalamount = price2num($totalamount);
 
 		// Check parameters
 		if ($totalamount == 0) {
@@ -246,7 +246,7 @@ class PaymentVAT extends CommonObject
 				foreach ($this->amounts as $key => $amount) {
 					$contribid = $key;
 					if (is_numeric($amount) && $amount != 0) {
-						$amount = price2num($amount);
+						$amount = (float) price2num($amount);
 
 						// If we want to closed paid invoices
 						if ($closepaidvat) {
@@ -257,8 +257,8 @@ class PaymentVAT extends CommonObject
 							$creditnotes = 0;
 							//$deposits=$contrib->getSumDepositsUsed();
 							$deposits = 0;
-							$alreadypayed = price2num($paiement + $creditnotes + $deposits, 'MT');
-							$remaintopay = price2num($contrib->amount - $paiement - $creditnotes - $deposits, 'MT');
+							$alreadypayed = (float) price2num($paiement + $creditnotes + $deposits, 'MT');
+							$remaintopay = (float) price2num($contrib->amount - $paiement - $creditnotes - $deposits, 'MT');
 							if ($remaintopay == 0) {
 								$result = $contrib->setPaid($user);
 							} else {
@@ -374,7 +374,7 @@ class PaymentVAT extends CommonObject
 			$this->fk_tva = (int) $this->fk_tva;
 		}
 		if (isset($this->amount)) {
-			$this->amount = trim($this->amount);
+			$this->amount = (float) $this->amount;
 		}
 		if (isset($this->fk_typepaiement)) {
 			$this->fk_typepaiement = (int) $this->fk_typepaiement;
diff --git a/htdocs/expensereport/class/paymentexpensereport.class.php b/htdocs/expensereport/class/paymentexpensereport.class.php
index 5541cdc9ac3..7a9e9171de3 100644
--- a/htdocs/expensereport/class/paymentexpensereport.class.php
+++ b/htdocs/expensereport/class/paymentexpensereport.class.php
@@ -160,7 +160,7 @@ class PaymentExpenseReport extends CommonObject
 			$this->fk_expensereport = (int) $this->fk_expensereport;
 		}
 		if (isset($this->amount)) {
-			$this->amount = trim($this->amount);
+			$this->amount = (float) $this->amount;
 		}
 		if (isset($this->fk_typepayment)) {
 			$this->fk_typepayment = (int) $this->fk_typepayment;
@@ -189,11 +189,11 @@ class PaymentExpenseReport extends CommonObject
 
 		$totalamount = 0;
 		foreach ($this->amounts as $key => $value) {  // How payment is dispatch
-			$newvalue = price2num($value, 'MT');
+			$newvalue = (float) price2num($value, 'MT');
 			$this->amounts[$key] = $newvalue;
 			$totalamount += $newvalue;
 		}
-		$totalamount = price2num($totalamount);
+		// $totalamount = (float) price2num($totalamount);
 
 		// Check parameters
 		if ($totalamount == 0) {
@@ -315,7 +315,7 @@ class PaymentExpenseReport extends CommonObject
 			$this->fk_expensereport = (int) $this->fk_expensereport;
 		}
 		if (isset($this->amount)) {
-			$this->amount = trim($this->amount);
+			$this->amount = (float) $this->amount;
 		}
 		if (isset($this->fk_typepayment)) {
 			$this->fk_typepayment = (int) $this->fk_typepayment;
diff --git a/htdocs/expensereport/payment/payment.php b/htdocs/expensereport/payment/payment.php
index e1de1f7015b..df91a49f3f7 100644
--- a/htdocs/expensereport/payment/payment.php
+++ b/htdocs/expensereport/payment/payment.php
@@ -1,7 +1,7 @@
 <?php
 /* Copyright (C) 2015       Alexandre Spangaro      <aspangaro@open-dsi.fr>
  * Copyright (C) 2015       Laurent Destailleur     <eldy@users.sourceforge.net>
- * Copyright (C) 2018       Frédéric France         <frederic.france@netlogic.fr>
+ * Copyright (C) 2018-2024  Frédéric France         <frederic.france@free.fr>
  * Copyright (C) 2024		MDW							<mdeweerd@users.noreply.github.com>
  *
  * This program is free software; you can redistribute it and/or modify
@@ -85,14 +85,14 @@ if ($action == 'add_payment') {
 
 	if (!$error) {
 		$paymentid = 0;
-		$total = 0;
+		// $total = 0;
 
 		// Read possible payments
 		foreach ($_POST as $key => $value) {
 			if (substr($key, 0, 7) == 'amount_') {
 				if (GETPOST($key)) {
-					$amounts[$expensereport->fk_user_author] = price2num(GETPOST($key));
-					$total += price2num(GETPOST($key));
+					$amounts[$expensereport->fk_user_author] = (float) price2num(GETPOST($key));
+					// $total += price2num(GETPOST($key));
 				}
 			}
 		}
@@ -109,8 +109,9 @@ if ($action == 'add_payment') {
 			$payment = new PaymentExpenseReport($db);
 			$payment->fk_expensereport = $expensereport->id;
 			$payment->datep       	 = $datepaid;
-			$payment->amounts		 = $amounts; // Tableau de montant
-			$payment->total          = $total;
+			$payment->amounts		 = $amounts; // array of amounts
+			// total is calculated in class
+			// $payment->total          = $total;
 			$payment->fk_typepayment = GETPOSTINT("fk_typepayment");
 			$payment->num_payment    = GETPOST("num_payment", 'alphanohtml');
 			$payment->note_public    = GETPOST("note_public", 'restricthtml');