diff --git a/app/Transformers/Api/Client/ActivityLogTransformer.php b/app/Transformers/Api/Client/ActivityLogTransformer.php
index af666beb6..d02f95988 100644
--- a/app/Transformers/Api/Client/ActivityLogTransformer.php
+++ b/app/Transformers/Api/Client/ActivityLogTransformer.php
@@ -55,7 +55,7 @@ class ActivityLogTransformer extends BaseClientTransformer
 
         $properties = $model->properties
             ->mapWithKeys(function ($value, $key) use ($model) {
-                if ($key === 'ip' && !$model->actor->is($this->request->user())) {
+                if ($key === 'ip' && $model->actor && !$model->actor->is($this->request->user())) {
                     return [$key => '[hidden]'];
                 }