diff --git a/modules/ticket/back/methods/ticket/canBeInvoiced.js b/modules/ticket/back/methods/ticket/canBeInvoiced.js
index 0f6cb476b..348f02348 100644
--- a/modules/ticket/back/methods/ticket/canBeInvoiced.js
+++ b/modules/ticket/back/methods/ticket/canBeInvoiced.js
@@ -67,7 +67,7 @@ module.exports = function(Self) {
                 throw new UserError(`This ticket is already invoiced`);
 
             const priceZero = ticket.totalWithVat == 0;
-            if (priceZero)
+            if (ticketsIds.length == 1 && priceZero)
                 throw new UserError(`A ticket with an amount of zero can't be invoiced`);
         });