diff --git a/core/modules/node/src/NodeTypeForm.php b/core/modules/node/src/NodeTypeForm.php
index 502c478aea..93235aac1b 100644
--- a/core/modules/node/src/NodeTypeForm.php
+++ b/core/modules/node/src/NodeTypeForm.php
@@ -214,7 +214,7 @@ public function validateForm(array &$form, FormStateInterface $form_state) {
 
     $id = trim($form_state->getValue('type'));
     // '0' is invalid, since elsewhere we check it using empty().
-    if ($id == '0') {
+    if ($id == '0' || $id === 'type') {
       $form_state->setErrorByName('type', $this->t("Invalid machine-readable name. Enter a name other than %invalid.", ['%invalid' => $id]));
     }
   }