diff --git a/packages/backend/src/core/activitypub/ApRendererService.ts b/packages/backend/src/core/activitypub/ApRendererService.ts
index 8b0d94247..40d06b3ae 100644
--- a/packages/backend/src/core/activitypub/ApRendererService.ts
+++ b/packages/backend/src/core/activitypub/ApRendererService.ts
@@ -466,7 +466,7 @@ export class ApRendererService {
 			this.userProfilesRepository.findOneByOrFail({ userId: user.id }),
 		]);
 
-		const attachment = profile.fields.map(field => ({
+		const profileFields = profile.fields.map(field => ({
 			type: 'PropertyValue',
 			name: field.name,
 			value: (field.value.startsWith('http://') || field.value.startsWith('https://'))
@@ -474,6 +474,16 @@ export class ApRendererService {
 				: field.value,
 		}));
 
+		const mutualLinks = profile.mutualLinkSections.flatMap(section =>
+			section.mutualLinks.map(link => ({
+				type: 'PropertyValue',
+				name: section.name ?? link.description ?? 'Link',
+				value: `<a href="${link.url}" target="_blank">${link.description ?? link.url}</a>`,
+			})),
+		);
+
+		const attachment = mutualLinks.concat(profileFields);
+
 		const emojis = await this.getEmojis(user.emojis);
 		const apemojis = emojis.filter(emoji => !emoji.localOnly).map(emoji => this.renderEmoji(emoji));