diff --git a/app/Config/Fediverse.php b/app/Config/Fediverse.php
index 32378b01..4834d679 100644
--- a/app/Config/Fediverse.php
+++ b/app/Config/Fediverse.php
@@ -23,6 +23,10 @@ class Fediverse extends FediverseBaseConfig
      */
     public string $noteObject = NoteObject::class;
 
+    public string $defaultAvatarImagePath = 'media/castopod-avatar_thumbnail.webp';
+
+    public string $defaultAvatarImageMimetype = 'image/webp';
+
     public function __construct()
     {
         parent::__construct();
diff --git a/app/Entities/Actor.php b/app/Entities/Actor.php
index 4a9cba9a..91863baa 100644
--- a/app/Entities/Actor.php
+++ b/app/Entities/Actor.php
@@ -48,7 +48,7 @@ class Actor extends FediverseActor
             return $this->podcast->cover->thumbnail_url;
         }
 
-        return $this->attributes['avatar_image_url'];
+        return parent::getAvatarImageUrl();
     }
 
     public function getAvatarImageMimetype(): string
@@ -57,6 +57,6 @@ class Actor extends FediverseActor
             return $this->podcast->cover->thumbnail_mimetype;
         }
 
-        return $this->attributes['avatar_image_mimetype'];
+        return parent::getAvatarImageMimetype();
     }
 }