diff --git a/app/Models/Invoice.php b/app/Models/Invoice.php
index 8a375e84fdbd..237280aa4176 100644
--- a/app/Models/Invoice.php
+++ b/app/Models/Invoice.php
@@ -493,6 +493,7 @@ class Invoice extends EntityModel implements BalanceAffecting
     public function markInvitationSent($invitation, $messageId = false, $notify = true, $notes = false)
     {
         if (! $this->isSent()) {
+            $this->is_public = true;
             $this->invoice_status_id = INVOICE_STATUS_SENT;
             $this->save();
         }