diff --git a/packages/backend/src/core/activitypub/ApRendererService.ts b/packages/backend/src/core/activitypub/ApRendererService.ts
index 55521d6e3a..2ba0dfc7e9 100644
--- a/packages/backend/src/core/activitypub/ApRendererService.ts
+++ b/packages/backend/src/core/activitypub/ApRendererService.ts
@@ -577,6 +577,7 @@ export class ApRendererService {
 			publicKey: this.renderKey(user, keypair, '#main-key'),
 			isCat: user.isCat,
 			attachment: attachment.length ? attachment : undefined,
+			suspended: user.isSuspended,
 		};
 
 		if (user.movedToUri) {
diff --git a/packages/backend/src/core/activitypub/misc/contexts.ts b/packages/backend/src/core/activitypub/misc/contexts.ts
index 6611e4b7f9..7b8278b2ba 100644
--- a/packages/backend/src/core/activitypub/misc/contexts.ts
+++ b/packages/backend/src/core/activitypub/misc/contexts.ts
@@ -543,6 +543,7 @@ const extension_context_definition = {
 	Emoji: 'toot:Emoji',
 	featured: 'toot:featured',
 	discoverable: 'toot:discoverable',
+	suspended: 'toot:suspended',
 	// schema
 	schema: 'http://schema.org#',
 	PropertyValue: 'schema:PropertyValue',
diff --git a/packages/backend/src/core/activitypub/models/ApPersonService.ts b/packages/backend/src/core/activitypub/models/ApPersonService.ts
index e52078ed0f..4673875e1f 100644
--- a/packages/backend/src/core/activitypub/models/ApPersonService.ts
+++ b/packages/backend/src/core/activitypub/models/ApPersonService.ts
@@ -393,6 +393,7 @@ export class ApPersonService implements OnModuleInit {
 					makeNotesFollowersOnlyBefore: (person as any).makeNotesFollowersOnlyBefore ?? null,
 					makeNotesHiddenBefore: (person as any).makeNotesHiddenBefore ?? null,
 					emojis,
+					isRemoteSuspended: person.suspended === true,
 				})) as MiRemoteUser;
 
 				let _description: string | null = null;
@@ -570,6 +571,7 @@ export class ApPersonService implements OnModuleInit {
 			movedToUri: person.movedTo ?? null,
 			alsoKnownAs: person.alsoKnownAs ?? null,
 			isExplorable: person.discoverable,
+			isRemoteSuspended: person.suspended === true,
 			...(await this.resolveAvatarAndBanner(exist, person.icon, person.image).catch(() => ({}))),
 		} as Partial<MiRemoteUser> & Pick<MiRemoteUser, 'isBot' | 'isCat' | 'isLocked' | 'movedToUri' | 'alsoKnownAs' | 'isExplorable'>;
 
diff --git a/packages/backend/src/core/activitypub/type.ts b/packages/backend/src/core/activitypub/type.ts
index 72732b01df..bc6da82bef 100644
--- a/packages/backend/src/core/activitypub/type.ts
+++ b/packages/backend/src/core/activitypub/type.ts
@@ -195,6 +195,7 @@ export interface IActor extends IObject {
 	};
 	'vcard:bday'?: string;
 	'vcard:Address'?: string;
+	suspended?: boolean;
 }
 
 export const isCollection = (object: IObject): object is ICollection =>