diff --git a/htdocs/admin/multicurrency.php b/htdocs/admin/multicurrency.php
index 9843c6a4fb0..0decb3120bd 100644
--- a/htdocs/admin/multicurrency.php
+++ b/htdocs/admin/multicurrency.php
@@ -106,9 +106,7 @@ elseif ($action == 'update_currency')
 {
 	$error = 0;
 
-	$submit = GETPOST('submit', 'alpha');
-
-	if ($submit == $langs->trans('Modify'))
+	if (GETPOST('updatecurrency', 'alpha'))
 	{
 		$fk_multicurrency = GETPOST('fk_multicurrency', 'int');
 		$rate = price2num(GETPOST('rate', 'alpha'));
@@ -127,7 +125,7 @@ elseif ($action == 'update_currency')
 			}
 		}
 	}
-	elseif ($submit == $langs->trans('Delete'))
+	elseif (GETPOST('deletecurrency', 'alpha'))
 	{
 		$fk_multicurrency = GETPOST('fk_multicurrency', 'int');
 		$currency = new MultiCurrency($db);
@@ -334,8 +332,8 @@ foreach ($TCurrency as &$currency)
 	print '<input type="hidden" name="fk_multicurrency" value="'.$currency->id.'">';
 	print '1 '.$conf->currency.' = ';
 	print '<input type="text" name="rate" value="'.($currency->rate->rate ? $currency->rate->rate : '').'" size="13" />&nbsp;'.$currency->code.'&nbsp;';
-	print '<input type="submit" name="submit" class="button" value="'.$langs->trans("Modify").'">&nbsp;';
-	print '<input type="submit" name="submit" class="button" value="'.$langs->trans("Delete").'">';
+	print '<input type="submit" name="updatecurrency" class="button" value="'.$langs->trans("Modify").'">&nbsp;';
+	print '<input type="submit" name="deletecurrency" class="button" value="'.$langs->trans("Delete").'">';
 	print '</form>';
 	print '</td></tr>';
 }
diff --git a/htdocs/comm/remx.php b/htdocs/comm/remx.php
index e4c8774916f..42717d5ae85 100644
--- a/htdocs/comm/remx.php
+++ b/htdocs/comm/remx.php
@@ -2,6 +2,7 @@
 /* Copyright (C) 2001-2004 Rodolphe Quiedeville        <rodolphe@quiedeville.org>
  * Copyright (C) 2004-2019 Laurent Destailleur         <eldy@users.sourceforge.net>
  * Copyright (C) 2008      Raphael Bertrand (Resultic) <raphael.bertrand@resultic.fr>
+ * Copyright (C) 2019      Frédéric France             <frederic.france@netlogic.fr>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -127,6 +128,8 @@ if ($action == 'confirm_split' && GETPOST("confirm") == 'yes')
 
 		$db->begin();
 		$discount->fk_facture_source=0;	// This is to delete only the require record (that we will recreate with two records) and not all family with same fk_facture_source
+        // This is to delete only the require record (that we will recreate with two records) and not all family with same fk_invoice_supplier_source
+        $discount->fk_invoice_supplier_source=0;
 		$res=$discount->delete($user);
 		$newid1=$newdiscount1->create($user);
 		$newid2=$newdiscount2->create($user);