diff --git a/modules/invoiceOut/front/descriptor-menu/index.html b/modules/invoiceOut/front/descriptor-menu/index.html
index be1fa7b21..dbfd5fe82 100644
--- a/modules/invoiceOut/front/descriptor-menu/index.html
+++ b/modules/invoiceOut/front/descriptor-menu/index.html
@@ -111,8 +111,7 @@
         <span translate>Are you sure you want to send it?</span>
         <vn-textfield vn-one
             label="Email"
-            ng-model="sendPdfConfirmation.data.email"
-            required>
+            ng-model="sendPdfConfirmation.data.email">
         </vn-textfield>
     </tpl-body>
     <tpl-buttons>
@@ -130,8 +129,7 @@
         <span translate>Are you sure you want to send it?</span>
         <vn-textfield vn-one
             label="Email"
-            ng-model="sendCsvConfirmation.data.email"
-            required>
+            ng-model="sendCsvConfirmation.data.email">
         </vn-textfield>
     </tpl-body>
     <tpl-buttons>
diff --git a/modules/invoiceOut/front/descriptor-menu/index.js b/modules/invoiceOut/front/descriptor-menu/index.js
index 6f764a3d0..b6e7e0261 100644
--- a/modules/invoiceOut/front/descriptor-menu/index.js
+++ b/modules/invoiceOut/front/descriptor-menu/index.js
@@ -80,6 +80,9 @@ class Controller extends Section {
     }
 
     sendPdfInvoice($data) {
+        if (!$data.email)
+            return this.vnApp.showError(this.$t(`The email can't be empty`));
+
         return this.vnEmail.send('invoice', {
             recipientId: this.invoiceOut.client.id,
             recipient: $data.email,
@@ -88,6 +91,9 @@ class Controller extends Section {
     }
 
     sendCsvInvoice($data) {
+        if (!$data.email)
+            return this.vnApp.showError(this.$t(`The email can't be empty`));
+
         return this.vnEmail.sendCsv('invoice', {
             recipientId: this.invoiceOut.client.id,
             recipient: $data.email,
diff --git a/modules/invoiceOut/front/descriptor-menu/locale/es.yml b/modules/invoiceOut/front/descriptor-menu/locale/es.yml
index 8a4a09db1..616fb2fa0 100644
--- a/modules/invoiceOut/front/descriptor-menu/locale/es.yml
+++ b/modules/invoiceOut/front/descriptor-menu/locale/es.yml
@@ -17,4 +17,5 @@ Are you sure you want to clone this invoice?: Estas seguro de clonar esta factur
 InvoiceOut booked: Factura asentada
 Are you sure you want to book this invoice?: Estas seguro de querer asentar esta factura? 
 Regenerate PDF invoice: Regenerar PDF factura
-The invoice PDF document has been regenerated: El documento PDF de la factura ha sido regenerado
\ No newline at end of file
+The invoice PDF document has been regenerated: El documento PDF de la factura ha sido regenerado
+The email can't be empty: El correo no puede estar vacío
\ No newline at end of file