diff --git a/group.module b/group.module
index eec510a..a30f37b 100644
--- a/group.module
+++ b/group.module
@@ -633,12 +633,6 @@ function group_form_alter(&$form, FormStateInterface $form_state, $form_id) {
 
     $actions = $form['actions'] ?? [];
     foreach (Element::children($actions) as $name) {
-      // Remove preview button as it redirects back to the wrong form.
-      if ($name == 'preview') {
-        unset($form['actions'][$name]);
-        continue;
-      }
-
       // Skip buttons without submit handlers.
       if (empty($form['actions'][$name]['#submit'])) {
         continue;
diff --git a/modules/gnode/gnode.module b/modules/gnode/gnode.module
index 4972219..7b1681e 100644
--- a/modules/gnode/gnode.module
+++ b/modules/gnode/gnode.module
@@ -6,6 +6,7 @@
  */
 
 use Drupal\Core\Entity\EntityInterface;
+use Drupal\Core\Form\FormStateInterface;
 use Drupal\Core\Url;
 use Drupal\group\Entity\GroupInterface;
 use Drupal\node\NodeTypeInterface;
@@ -41,3 +42,25 @@ function gnode_entity_operation(EntityInterface $entity) {
 
   return $operations;
 }
+
+/**
+ * Implements hook_form_BASE_FORM_ID_alter().
+ *
+ * Alter the URL for the back link for \Drupal\node\Form\NodePreviewForm form.
+ */
+function gnode_form_node_preview_form_select_alter(&$form, FormStateInterface $form_state) {
+  /** @var \Drupal\node\NodeInterface $node_preview */
+  $node_preview = $form_state->getBuildInfo()['args'][0] ?? NULL;
+  if ($node_preview && $node_preview->isNew()) {
+    $store = \Drupal::service('tempstore.private')->get('node_preview');
+    if (($node_form_state = $store->get($node_preview->uuid()))
+      && ($group = $node_form_state->get('group'))
+      && $group instanceof GroupInterface
+      && ($plugin_id = $node_form_state->get('group_relation'))) {
+      $form['backlink']['#url'] = Url::fromRoute('entity.group_content.create_form', [
+        'group' => $group->id(),
+        'plugin_id' => $plugin_id,
+      ]);
+    }
+  }
+}
diff --git a/modules/gnode/gnode.services.yml b/modules/gnode/gnode.services.yml
index 9632843..6b286d6 100644
--- a/modules/gnode/gnode.services.yml
+++ b/modules/gnode/gnode.services.yml
@@ -9,3 +9,11 @@ services:
     class: 'Drupal\gnode\Plugin\Group\RelationHandler\GroupNodePermissionProvider'
     arguments: ['@group.relation_handler.permission_provider']
     shared: false
+
+  # Decorating the node preview access check service.
+  gnode.access_check.node.preview.decorator:
+    class: Drupal\gnode\Access\NodePreviewAccessCheck
+    decorates: access_check.node.preview
+    decoration_priority: 10
+    public: false
+    arguments: ['@gnode.access_check.node.preview.decorator.inner', '@entity_type.manager', '@group_relation_type.manager', '@tempstore.private']
diff --git a/modules/gnode/src/Access/NodePreviewAccessCheck.php b/modules/gnode/src/Access/NodePreviewAccessCheck.php
new file mode 100644
index 0000000..17dfb31
--- /dev/null
+++ b/modules/gnode/src/Access/NodePreviewAccessCheck.php
@@ -0,0 +1,92 @@
+<?php
+
+namespace Drupal\gnode\Access;
+
+use Drupal\Core\Entity\EntityTypeManagerInterface;
+use Drupal\Core\Routing\Access\AccessInterface;
+use Drupal\Core\Session\AccountInterface;
+use Drupal\Core\TempStore\PrivateTempStoreFactory;
+use Drupal\group\Entity\GroupInterface;
+use Drupal\group\Plugin\Group\Relation\GroupRelationTypeManagerInterface;
+use Drupal\node\Access\NodePreviewAccessCheck as CoreNodePreviewAccessCheck;
+use Drupal\node\NodeInterface;
+
+/**
+ * Determines access to node previews when the node belongs to a group.
+ */
+class NodePreviewAccessCheck extends CoreNodePreviewAccessCheck {
+
+  /**
+   * The decorated core node preview access check service.
+   *
+   * @var \Drupal\node\Access\NodePreviewAccessCheck
+   */
+  protected $innerService;
+
+  /**
+   * The entity type manager service.
+   *
+   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
+   */
+  protected $entityTypeManager;
+
+  /**
+   * The group relation type manager.
+   *
+   * @var \Drupal\group\Plugin\Group\Relation\GroupRelationTypeManagerInterface
+   */
+  protected $groupRelationTypeManager;
+
+  /**
+   * Stores the tempstore factory.
+   *
+   * @var \Drupal\Core\TempStore\PrivateTempStoreFactory
+   */
+  protected $tempStoreFactory;
+
+  /**
+   * Constructs an NodePreviewAccessCheck object.
+   *
+   * @param \Drupal\Core\Routing\Access\AccessInterface $inner_service
+   *   The decorated node preview access check service.
+   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
+   *   The entity type manager service.
+   * @param \Drupal\group\Plugin\Group\Relation\GroupRelationTypeManagerInterface $group_relation_type_manager
+   *   The group relation type manager.
+   * @param \Drupal\Core\TempStore\PrivateTempStoreFactory $temp_store_factory
+   *   The factory for the temp store object.
+   */
+  public function __construct(AccessInterface $inner_service, EntityTypeManagerInterface $entity_type_manager, GroupRelationTypeManagerInterface $group_relation_type_manager, PrivateTempStoreFactory $temp_store_factory) {
+  $this->innerService = $inner_service;
+  $this->groupRelationTypeManager = $group_relation_type_manager;
+  $this->tempStoreFactory = $temp_store_factory;
+  parent::__construct($entity_type_manager);
+}
+
+  /**
+   * Checks access to the grouped node preview page.
+   *
+   * @param \Drupal\Core\Session\AccountInterface $account
+   *   The currently logged in account.
+   * @param \Drupal\node\NodeInterface $node_preview
+   *   The node that is being previewed.
+   *
+   * @return \Drupal\Core\Access\AccessResultInterface
+   *   The access result.
+   */
+  public function access(AccountInterface $account, NodeInterface $node_preview) {
+    if ($node_preview->isNew()) {
+      $store = $this->tempStoreFactory->get('node_preview');
+      if (($form_state = $store->get($node_preview->uuid()))
+        && ($group = $form_state->get('group'))
+        && $group instanceof GroupInterface
+        && ($plugin_id = $form_state->get('group_relation'))) {
+        return $this->groupRelationTypeManager->getAccessControlHandler($plugin_id)
+          ->entityCreateAccess($group, $account, TRUE);
+      }
+    }
+
+    return $this->innerService->access($account, $node_preview);
+  }
+
+}