diff --git a/modules/invoiceOut/back/methods/invoiceOut/summary.js b/modules/invoiceOut/back/methods/invoiceOut/summary.js
index 5a87dd4a3..a95016ff2 100644
--- a/modules/invoiceOut/back/methods/invoiceOut/summary.js
+++ b/modules/invoiceOut/back/methods/invoiceOut/summary.js
@@ -56,7 +56,7 @@ module.exports = Self => {
                 {
                     relation: 'client',
                     scope: {
-                        fields: ['id', 'socialName']
+                        fields: ['id', 'socialName', 'email']
                     }
                 }
             ]
diff --git a/modules/invoiceOut/front/descriptor-menu/index.html b/modules/invoiceOut/front/descriptor-menu/index.html
index 8daea7900..be1fa7b21 100644
--- a/modules/invoiceOut/front/descriptor-menu/index.html
+++ b/modules/invoiceOut/front/descriptor-menu/index.html
@@ -110,7 +110,9 @@
     <tpl-body>
         <span translate>Are you sure you want to send it?</span>
         <vn-textfield vn-one
-            ng-model="sendPdfConfirmation.data.email">
+            label="Email"
+            ng-model="sendPdfConfirmation.data.email"
+            required>
         </vn-textfield>
     </tpl-body>
     <tpl-buttons>
@@ -127,7 +129,9 @@
     <tpl-body>
         <span translate>Are you sure you want to send it?</span>
         <vn-textfield vn-one
-            ng-model="sendCsvConfirmation.data.email">
+            label="Email"
+            ng-model="sendCsvConfirmation.data.email"
+            required>
         </vn-textfield>
     </tpl-body>
     <tpl-buttons>