diff --git a/htdocs/comm/card.php b/htdocs/comm/card.php
index a952b9565d766..2586f80790d82 100644
--- a/htdocs/comm/card.php
+++ b/htdocs/comm/card.php
@@ -482,7 +482,7 @@
 		print $langs->trans("CustomerAbsoluteDiscountShort");
 		print '<td><td class="right">';
 		if ($user->hasRight('societe', 'creer') && !$user->socid > 0) {
-			print '<a class="editfielda" href="'.DOL_URL_ROOT.'/comm/remx.php?id='.$object->id.'&backtopage='.urlencode($_SERVER["PHP_SELF"].'?socid='.$object->id).'&action=create&token='.newToken().'">'.img_edit($langs->trans("Modify")).'</a>';
+			print '<a class="editfielda" href="'.DOL_URL_ROOT.'/comm/remx.php?id='.$object->id.'&backtopage='.urlencode($_SERVER["PHP_SELF"].'?socid='.$object->id).'&action=create_remise&token='.newToken().'">'.img_edit($langs->trans("Modify")).'</a>';
 		}
 		print '</td></tr></table>';
 		print '</td>';
diff --git a/htdocs/comm/remx.php b/htdocs/comm/remx.php
index 12888f2f24e7f..4f6fae9823ad0 100644
--- a/htdocs/comm/remx.php
+++ b/htdocs/comm/remx.php
@@ -378,7 +378,7 @@
 			// VAT
 			print '<tr><td>'.$langs->trans("VAT").'</td>';
 			print '<td>';
-			print $form->load_tva('tva_tx', GETPOSTISSET('tva_tx') ? GETPOST('tva_tx', 'alpha') : 0, $mysoc, $object, 0, 0, '', 0, 1);
+			print $form->load_tva('tva_tx', (GETPOSTISSET('tva_tx') ? GETPOST('tva_tx', 'alpha') : getDolGlobalString('MAIN_VAT_DEFAULT_IF_AUTODETECT_FAILS', 0)), $mysoc, $object, 0, 0, '', 0, 1);
 			print '</td></tr>';
 			print '<tr><td class="fieldrequired" >'.$langs->trans("NoteReason").'</td>';
 			print '<td><input type="text" class="quatrevingtpercent" name="desc" value="'.GETPOST('desc', 'alphanohtml').'"></td></tr>';