diff --git a/htdocs/comm/remise.php b/htdocs/comm/remise.php
index f9cec9d11c1..bdf9b75998b 100644
--- a/htdocs/comm/remise.php
+++ b/htdocs/comm/remise.php
@@ -167,10 +167,10 @@ if ($socid > 0) {
 		// Discount type
 		print '<tr><td class="titlefield fieldrequired">'.$langs->trans('DiscountType').'</td><td>';
 		if ($isCustomer) {
-			print '<input type="radio" name="discount_type" id="discount_type_0" checked value="0"/> <label for="discount_type_0">'.$langs->trans('Customer').'</label>';
+			print '<input type="radio" name="discount_type" id="discount_type_0" '.(GETPOSTISSET('discount_type') ? (GETPOST('discount_type', 'int') == 0 ? ' checked' : '') : ' checked').' value="0"> <label for="discount_type_0">'.$langs->trans('Customer').'</label>';
 		}
 		if ($isSupplier) {
-			print ' <input type="radio" name="discount_type" id="discount_type_1"'.($isCustomer ? '' : ' checked').' value="1"/> <label for="discount_type_1">'.$langs->trans('Supplier').'</label>';
+			print ' <input type="radio" name="discount_type" id="discount_type_1"'.(GETPOSTISSET('discount_type') ? (GETPOST('discount_type', 'int') ? ' checked' : '') : ($isCustomer ? '' : ' checked')).' value="1"> <label for="discount_type_1">'.$langs->trans('Supplier').'</label>';
 		}
 		print '</td></tr>';
 	}