diff --git a/src/activity_pub/mod.rs b/src/activity_pub/mod.rs
index c0bfdbbd..21c73fe9 100644
--- a/src/activity_pub/mod.rs
+++ b/src/activity_pub/mod.rs
@@ -1,8 +1,8 @@
 use models::instance::Instance;
 use diesel::PgConnection;
 
-trait Actor {
-    fn get_box_prefix() -> String;
+pub trait Actor {
+    fn get_box_prefix() -> &'static str;
 
     fn get_actor_id(&self) -> String;
 
diff --git a/src/models/blogs.rs b/src/models/blogs.rs
index ea168ebf..8bf31d65 100644
--- a/src/models/blogs.rs
+++ b/src/models/blogs.rs
@@ -1,6 +1,8 @@
 use diesel;
 use diesel::{QueryDsl, RunQueryDsl, ExpressionMethods, PgConnection};
 use schema::blogs;
+use activity_pub::Actor;
+use models::instance::Instance;
 
 #[derive(Queryable, Identifiable)]
 pub struct Blog {
@@ -56,3 +58,17 @@ impl Blog {
             .into_iter().nth(0)
     }
 }
+
+impl Actor for Blog {
+    fn get_box_prefix() -> &'static str {
+        "~"
+    }
+
+    fn get_actor_id(&self) -> String {
+        self.actor_id.to_string()
+    }
+
+    fn get_instance(&self, conn: &PgConnection) -> Instance {
+        Instance::get(conn, self.instance_id).unwrap()
+    }
+}