diff --git a/domain_group.module b/domain_group.module
index b7e1ce6..3b45a66 100644
--- a/domain_group.module
+++ b/domain_group.module
@@ -11,6 +11,7 @@ use Drupal\node\NodeInterface;
 use Drupal\Core\Session\AccountInterface;
 use Drupal\group\Entity\GroupContentType;
 use Drupal\Core\Access\AccessResult;
+use Drupal\domain\Entity\Domain;
 
 /**
  * Implements hook_help().
@@ -205,9 +206,12 @@ function domain_group_node_get_domains(NodeInterface $node) {
   $group_content = GroupContent::loadByEntity($node);
   if (!empty($group_content)) {
     foreach ($group_content as $gc_node) {
-      $domain = \Drupal::entityTypeManager()->getStorage('domain')->load('group_' . $gc_node->getGroup()->id());
-      if ($domain) {
-        $domains[$domain->id()] = $domain->getDomainId();
+      $group = $gc_node->getGroup();
+      if ($group) {
+        $domain = \Drupal::entityTypeManager()->getStorage('domain')->load('group_' . $group->id());
+        if ($domain) {
+          $domains[$domain->id()] = $domain->getDomainId();
+        }
       }
     }
   }