diff --git a/app/Http/Resources/NodeResource.php b/app/Http/Resources/NodeResource.php
index f3590ef..ad0a55d 100644
--- a/app/Http/Resources/NodeResource.php
+++ b/app/Http/Resources/NodeResource.php
@@ -17,7 +17,7 @@ class NodeResource extends JsonResource
         return [
             'id' => $this['id'],
             'type' => $this['type'],
-            'version' => $this['version'],
+            'version' => $this['version'] ?? null,
             'name' => $this['name'],
             'rate' => $this['rate'],
             'tags' => $this['tags'],