diff --git a/modules/checkout/src/Plugin/Commerce/CheckoutPane/CompletionRegister.php b/modules/checkout/src/Plugin/Commerce/CheckoutPane/CompletionRegister.php
index 8b649f2d..f6eba1ac 100644
--- a/modules/checkout/src/Plugin/Commerce/CheckoutPane/CompletionRegister.php
+++ b/modules/checkout/src/Plugin/Commerce/CheckoutPane/CompletionRegister.php
@@ -251,6 +251,7 @@ class CompletionRegister extends CheckoutPaneBase implements CheckoutPaneInterfa
     $form_display->extractFormValues($account, $pane_form, $form_state);
     $account->save();
     user_login_finalize($account);
+    _user_mail_notify('register_no_approval_required', $account);
     $this->credentialsCheckFlood->clearAccount($this->clientIp, $account->getAccountName());
 
     $this->orderAssignment->assign($this->order, $account);
diff --git a/modules/checkout/src/Plugin/Commerce/CheckoutPane/Login.php b/modules/checkout/src/Plugin/Commerce/CheckoutPane/Login.php
index 51e3b094..ba0e304f 100644
--- a/modules/checkout/src/Plugin/Commerce/CheckoutPane/Login.php
+++ b/modules/checkout/src/Plugin/Commerce/CheckoutPane/Login.php
@@ -430,6 +430,7 @@ class Login extends CheckoutPaneBase implements CheckoutPaneInterface, Container
         /** @var \Drupal\user\UserInterface $account */
         $account = $storage->load($form_state->get('logged_in_uid'));
         user_login_finalize($account);
+        _user_mail_notify('register_no_approval_required', $account);
         $this->order->setCustomer($account);
         $this->credentialsCheckFlood->clearAccount($this->clientIp, $account->getAccountName());
         break;