diff --git a/app/Models/LocalFileVolume.php b/app/Models/LocalFileVolume.php
index 8189d6d74..a3bbbc64a 100644
--- a/app/Models/LocalFileVolume.php
+++ b/app/Models/LocalFileVolume.php
@@ -12,6 +12,7 @@ class LocalFileVolume extends BaseModel
         'fs_path' => 'encrypted',
         'mount_path' => 'encrypted',
         'content' => 'encrypted',
+        'is_directory' => 'boolean',
     ];
 
     use HasFactory;