diff --git a/src/frontend/app/actions/send-external-note-book-action/send-external-note-book-action.component.ts b/src/frontend/app/actions/send-external-note-book-action/send-external-note-book-action.component.ts
index 253232096b4373bba1efa5ab718449b4302312bf..2e600f80024f4111d515bfc34c56991e9f6921c8 100644
--- a/src/frontend/app/actions/send-external-note-book-action/send-external-note-book-action.component.ts
+++ b/src/frontend/app/actions/send-external-note-book-action/send-external-note-book-action.component.ts
@@ -86,6 +86,6 @@ export class SendExternalNoteBookActionComponent implements OnInit {
     }
 
     setVal(user: any) {
-        this.externalSignatoryBookDatas.processingUser = user;
+        this.externalSignatoryBookDatas.processingUser = user.id;
     }
 }