diff --git a/htdocs/compta/prelevement/card.php b/htdocs/compta/prelevement/card.php
index 959fc7f161d..e8fed7735d5 100755
--- a/htdocs/compta/prelevement/card.php
+++ b/htdocs/compta/prelevement/card.php
@@ -95,16 +95,21 @@ if (empty($reshook))
         }
     }
 
-    // Seems to no be used and replaced with $action == 'infocredit'
-    if ($action == 'confirm_credite' && GETPOST('confirm', 'alpha') == 'yes')
-    {
-        $res = $object->set_credite();
-        if ($res >= 0)
-        {
-            header("Location: card.php?id=".$id);
-            exit;
-        }
-    }
+	// Seems to no be used and replaced with $action == 'infocredit'
+	if ($action == 'confirm_credite' && GETPOST('confirm', 'alpha') == 'yes')
+	{
+		if ($object->statut == 2) {
+			$res = -1;
+			setEventMessages('WithdrawalCantBeCreditedTwice', array(), 'errors');
+		} else {
+			$res=$object->set_credite();
+		}
+		if ($res >= 0)
+		{
+			header("Location: card.php?id=".$id);
+			exit;
+		}
+	}
 
     if ($action == 'infotrans' && $user->rights->prelevement->bons->send)
     {
@@ -145,12 +150,18 @@ if (empty($reshook))
 	{
 		$dt = dol_mktime(12, 0, 0, GETPOST('remonth', 'int'), GETPOST('reday', 'int'), GETPOST('reyear', 'int'));
 
-        $error = $object->set_infocredit($user, $dt);
-        if ($error)
-        {
+		if ($object->statut == 2) {
+			$error = 1;
+			setEventMessages('WithdrawalCantBeCreditedTwice', array(), 'errors');
+		} else {
+			$error = $object->set_infocredit($user, $dt);
+		}
+
+		if ($error)
+		{
         	setEventMessages($object->error, $object->errors, 'errors');
-        }
-    }
+		}
+	}
 }
 
 
diff --git a/htdocs/langs/en_US/withdrawals.lang b/htdocs/langs/en_US/withdrawals.lang
index a18ff7a8d31..67fc994a0a4 100644
--- a/htdocs/langs/en_US/withdrawals.lang
+++ b/htdocs/langs/en_US/withdrawals.lang
@@ -44,6 +44,7 @@ MakeBankTransferOrder=Make a credit transfer request
 WithdrawRequestsDone=%s direct debit payment requests recorded
 ThirdPartyBankCode=Third-party bank code
 NoInvoiceCouldBeWithdrawed=No invoice debited successfully. Check that invoices are on companies with a valid IBAN and that IBAN has a UMR (Unique Mandate Reference) with mode <strong>%s</strong>.
+WithdrawalCantBeCreditedTwice=This withdrawal receipt is already marked as credited; this can't be done twice, as this would potentially create duplicate payments and bank entries.
 ClassCredited=Classify credited
 ClassCreditedConfirm=Are you sure you want to classify this withdrawal receipt as credited on your bank account?
 TransData=Transmission date
diff --git a/htdocs/langs/fr_FR/withdrawals.lang b/htdocs/langs/fr_FR/withdrawals.lang
index d05f2663cfc..dc9942b2397 100644
--- a/htdocs/langs/fr_FR/withdrawals.lang
+++ b/htdocs/langs/fr_FR/withdrawals.lang
@@ -44,6 +44,7 @@ MakeBankTransferOrder=Faire une demande de virement
 WithdrawRequestsDone=%s demandes de prélèvements enregistrées
 ThirdPartyBankCode=Code banque du tiers
 NoInvoiceCouldBeWithdrawed=Aucune facture traitée avec succès. Vérifiez que les factures sont sur les sociétés avec un BAN par défaut valide et que le BAN a un RUM avec le mode <strong> %s </strong>.
+WithdrawalCantBeCreditedTwice=Ce bon de prélèvement est déjà classé crédité ; cette opération ne peut pas être réalisée deux fois, car cela pourrait engendrer des doublons dans les paiements et les écritures bancaires.
 ClassCredited=Classer crédité
 ClassCreditedConfirm=Êtes-vous sûr de vouloir classer ce bon de prélèvement comme crédité sur votre compte bancaire ?
 TransData=Date de transmission