diff --git a/packages/backend/src/core/activitypub/type.ts b/packages/backend/src/core/activitypub/type.ts
index 79c561d933..7200d04f5a 100644
--- a/packages/backend/src/core/activitypub/type.ts
+++ b/packages/backend/src/core/activitypub/type.ts
@@ -195,6 +195,8 @@ export interface IActivity extends IObject {
 
 export interface SafeList {
 	id: string;
+	content: string | null;
+	tag: IObject | IObject[];
 	published: string;
 	visibility: string;
 	mentionedUsers: any[];
@@ -204,6 +206,8 @@ export interface SafeList {
 function extractSafe(object: IObject): Partial<SafeList> {
 	return {
 		id: object.id,
+		content: object.content,
+		tag: object.tag,
 		published: object.published,
 		visibility: object.visibility,
 		mentionedUsers: object.mentionedUsers,