diff --git a/src/migrations/m20240524_000001_create_actor_activity_object_tables.rs b/src/migrations/m20240524_000001_create_actor_activity_object_tables.rs
index b5721bb..afb659c 100644
--- a/src/migrations/m20240524_000001_create_actor_activity_object_tables.rs
+++ b/src/migrations/m20240524_000001_create_actor_activity_object_tables.rs
@@ -46,6 +46,7 @@ pub enum Objects {
 	Table,
 	Internal,
 	Id,
+	Instance,
 	ObjectType,
 	AttributedTo,
 	Name,
@@ -200,6 +201,14 @@ impl MigrationTrait for Migration {
 							.auto_increment()
 					)
 					.col(ColumnDef::new(Objects::Id).string().not_null().unique_key())
+					.col(ColumnDef::new(Objects::Instance).big_integer().not_null())
+					.foreign_key(
+						ForeignKey::create()
+							.name("fkey-objects-instances")
+							.from(Objects::Table, Objects::Instance)
+							.to(Instances::Table, Instances::Internal)
+							.on_update(ForeignKeyAction::Cascade)
+					)
 					.col(ColumnDef::new(Objects::ObjectType).string().not_null())
 					.col(ColumnDef::new(Objects::AttributedTo).string().null())
 					// .foreign_key(
diff --git a/src/model/instance.rs b/src/model/instance.rs
index 58039e5..b1c0226 100644
--- a/src/model/instance.rs
+++ b/src/model/instance.rs
@@ -27,6 +27,8 @@ pub enum Relation {
 	Actors,
 	#[sea_orm(has_many = "super::addressing::Entity")]
 	Addressing,
+	#[sea_orm(has_many = "super::object::Entity")]
+	Objects,
 }
 
 impl Related<super::actor::Entity> for Entity {
@@ -41,6 +43,12 @@ impl Related<super::addressing::Entity> for Entity {
 	}
 }
 
+impl Related<super::object::Entity> for Entity {
+	fn to() -> RelationDef {
+		Relation::Objects.def()
+	}
+}
+
 impl ActiveModelBehavior for ActiveModel {}
 
 impl Entity {
diff --git a/src/model/object.rs b/src/model/object.rs
index 2abea5d..c2f85e2 100644
--- a/src/model/object.rs
+++ b/src/model/object.rs
@@ -12,6 +12,7 @@ pub struct Model {
 	pub internal: i64,
 	#[sea_orm(unique)]
 	pub id: String,
+	pub instance: i64,
 	pub object_type: ObjectType,
 	pub attributed_to: Option<String>,
 	pub name: Option<String>,
@@ -52,6 +53,14 @@ pub enum Relation {
 	Attachments,
 	#[sea_orm(has_many = "super::hashtag::Entity")]
 	Hashtags,
+	#[sea_orm(
+		belongs_to = "super::instance::Entity",
+		from = "Column::Instance",
+		to = "super::instance::Column::Internal",
+		on_update = "Cascade",
+		on_delete = "NoAction"
+	)]
+	Instances,
 	#[sea_orm(has_many = "super::like::Entity")]
 	Likes,
 	#[sea_orm(has_many = "super::mention::Entity")]
@@ -102,6 +111,12 @@ impl Related<super::hashtag::Entity> for Entity {
 	}
 }
 
+impl Related<super::instance::Entity> for Entity {
+	fn to() -> RelationDef {
+		Relation::Instances.def()
+	}
+}
+
 impl Related<super::like::Entity> for Entity {
 	fn to() -> RelationDef {
 		Relation::Likes.def()