diff --git a/CHANGELOG.md b/CHANGELOG.md
index caf4fab97..bade07c9d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -28,6 +28,8 @@
   - キュー処理のつまりが改善される可能性があります
 - Fix: リバーシの対局設定の変更が反映されないのを修正
 - Fix: 無制限にストリーミングのチャンネルに接続できる問題を修正
+- Fix: ベースロールのポリシーを変更した際にモデログに記録されないのを修正  
+  (Cherry-picked from https://github.com/MisskeyIO/misskey/pull/700)
 
 ## 2024.7.0
 
diff --git a/packages/backend/src/server/api/endpoints/admin/roles/update-default-policies.ts b/packages/backend/src/server/api/endpoints/admin/roles/update-default-policies.ts
index d7209965d..5cf49670b 100644
--- a/packages/backend/src/server/api/endpoints/admin/roles/update-default-policies.ts
+++ b/packages/backend/src/server/api/endpoints/admin/roles/update-default-policies.ts
@@ -7,6 +7,7 @@ import { Injectable } from '@nestjs/common';
 import { Endpoint } from '@/server/api/endpoint-base.js';
 import { GlobalEventService } from '@/core/GlobalEventService.js';
 import { MetaService } from '@/core/MetaService.js';
+import { ModerationLogService } from '@/core/ModerationLogService.js';
 
 export const meta = {
 	tags: ['admin', 'role'],
@@ -33,12 +34,22 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 	constructor(
 		private metaService: MetaService,
 		private globalEventService: GlobalEventService,
+		private moderationLogService: ModerationLogService,
 	) {
-		super(meta, paramDef, async (ps) => {
+		super(meta, paramDef, async (ps, me) => {
+			const before = await this.metaService.fetch(true);
+
 			await this.metaService.update({
 				policies: ps.policies,
 			});
-			this.globalEventService.publishInternalEvent('policiesUpdated', ps.policies);
+
+			const after = await this.metaService.fetch(true);
+
+			this.globalEventService.publishInternalEvent('policiesUpdated', after.policies);
+			this.moderationLogService.log(me, 'updateServerSettings', {
+				before: before.policies,
+				after: after.policies,
+			});
 		});
 	}
 }