diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5bfddbbc6d..8686693397 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -39,6 +39,7 @@ You should also include the user name that made the change.
 - AWS S3からのファイル削除でNoSuchKeyエラーが出ると進めらない状態になる問題を修正
 - fix(frontend): Safariでプラグインが複数ある場合に正常に読み込まれない問題を修正
 - Bookwyrmのユーザーのプロフィールページで「リモートで表示」をタップしても反応がない問題を修正
+- `disableCache: true`を設定している場合に絵文字管理操作でエラーが出る問題を修正
 
 ## 13.9.2 (2023/03/06)
 
diff --git a/packages/backend/src/core/CustomEmojiService.ts b/packages/backend/src/core/CustomEmojiService.ts
index a1a257fbd1..4ef21e5117 100644
--- a/packages/backend/src/core/CustomEmojiService.ts
+++ b/packages/backend/src/core/CustomEmojiService.ts
@@ -58,7 +58,7 @@ export class CustomEmojiService {
 		}).then(x => this.emojisRepository.findOneByOrFail(x.identifiers[0]));
 
 		if (data.host == null) {
-			await this.db.queryResultCache!.remove(['meta_emojis']);
+			await this.db.queryResultCache?.remove(['meta_emojis']);
 
 			this.globalEventService.publishBroadcastStream('emojiAdded', {
 				emoji: await this.emojiEntityService.packDetailed(emoji.id),
diff --git a/packages/backend/src/server/api/endpoints/admin/emoji/add-aliases-bulk.ts b/packages/backend/src/server/api/endpoints/admin/emoji/add-aliases-bulk.ts
index 0cc60e9191..4e4f845b0b 100644
--- a/packages/backend/src/server/api/endpoints/admin/emoji/add-aliases-bulk.ts
+++ b/packages/backend/src/server/api/endpoints/admin/emoji/add-aliases-bulk.ts
@@ -53,7 +53,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> {
 				});
 			}
 
-			await this.db.queryResultCache!.remove(['meta_emojis']);
+			await this.db.queryResultCache?.remove(['meta_emojis']);
 
 			this.globalEventService.publishBroadcastStream('emojiUpdated', {
 				emojis: await this.emojiEntityService.packDetailedMany(ps.ids),
diff --git a/packages/backend/src/server/api/endpoints/admin/emoji/copy.ts b/packages/backend/src/server/api/endpoints/admin/emoji/copy.ts
index 8885a40fd9..6381a8743e 100644
--- a/packages/backend/src/server/api/endpoints/admin/emoji/copy.ts
+++ b/packages/backend/src/server/api/endpoints/admin/emoji/copy.ts
@@ -89,7 +89,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> {
 				type: driveFile.webpublicType ?? driveFile.type,
 			}).then(x => this.emojisRepository.findOneByOrFail(x.identifiers[0]));
 
-			await this.db.queryResultCache!.remove(['meta_emojis']);
+			await this.db.queryResultCache?.remove(['meta_emojis']);
 
 			this.globalEventService.publishBroadcastStream('emojiAdded', {
 				emoji: await this.emojiEntityService.packDetailed(copied.id),
diff --git a/packages/backend/src/server/api/endpoints/admin/emoji/delete-bulk.ts b/packages/backend/src/server/api/endpoints/admin/emoji/delete-bulk.ts
index f298baaedf..84aad020af 100644
--- a/packages/backend/src/server/api/endpoints/admin/emoji/delete-bulk.ts
+++ b/packages/backend/src/server/api/endpoints/admin/emoji/delete-bulk.ts
@@ -47,7 +47,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> {
 
 			for (const emoji of emojis) {
 				await this.emojisRepository.delete(emoji.id);
-				await this.db.queryResultCache!.remove(['meta_emojis']);
+				await this.db.queryResultCache?.remove(['meta_emojis']);
 				this.moderationLogService.insertModerationLog(me, 'deleteEmoji', {
 					emoji: emoji,
 				});
diff --git a/packages/backend/src/server/api/endpoints/admin/emoji/delete.ts b/packages/backend/src/server/api/endpoints/admin/emoji/delete.ts
index a5fbe3f4ea..90a5856a1b 100644
--- a/packages/backend/src/server/api/endpoints/admin/emoji/delete.ts
+++ b/packages/backend/src/server/api/endpoints/admin/emoji/delete.ts
@@ -54,7 +54,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> {
 
 			await this.emojisRepository.delete(emoji.id);
 
-			await this.db.queryResultCache!.remove(['meta_emojis']);
+			await this.db.queryResultCache?.remove(['meta_emojis']);
 
 			this.globalEventService.publishBroadcastStream('emojiDeleted', {
 				emojis: [await this.emojiEntityService.packDetailed(emoji)],
diff --git a/packages/backend/src/server/api/endpoints/admin/emoji/remove-aliases-bulk.ts b/packages/backend/src/server/api/endpoints/admin/emoji/remove-aliases-bulk.ts
index 66547024f7..3935183502 100644
--- a/packages/backend/src/server/api/endpoints/admin/emoji/remove-aliases-bulk.ts
+++ b/packages/backend/src/server/api/endpoints/admin/emoji/remove-aliases-bulk.ts
@@ -53,7 +53,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> {
 				});
 			}
 
-			await this.db.queryResultCache!.remove(['meta_emojis']);
+			await this.db.queryResultCache?.remove(['meta_emojis']);
 		
 			this.globalEventService.publishBroadcastStream('emojiUpdated', {
 				emojis: await this.emojiEntityService.packDetailedMany(ps.ids),
diff --git a/packages/backend/src/server/api/endpoints/admin/emoji/set-aliases-bulk.ts b/packages/backend/src/server/api/endpoints/admin/emoji/set-aliases-bulk.ts
index c8992eeb04..6a875f9c83 100644
--- a/packages/backend/src/server/api/endpoints/admin/emoji/set-aliases-bulk.ts
+++ b/packages/backend/src/server/api/endpoints/admin/emoji/set-aliases-bulk.ts
@@ -49,7 +49,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> {
 				aliases: ps.aliases,
 			});
 
-			await this.db.queryResultCache!.remove(['meta_emojis']);
+			await this.db.queryResultCache?.remove(['meta_emojis']);
 
 			this.globalEventService.publishBroadcastStream('emojiUpdated', {
 				emojis: await this.emojiEntityService.packDetailedMany(ps.ids),
diff --git a/packages/backend/src/server/api/endpoints/admin/emoji/set-category-bulk.ts b/packages/backend/src/server/api/endpoints/admin/emoji/set-category-bulk.ts
index 8a538c1003..d3b999c0ed 100644
--- a/packages/backend/src/server/api/endpoints/admin/emoji/set-category-bulk.ts
+++ b/packages/backend/src/server/api/endpoints/admin/emoji/set-category-bulk.ts
@@ -51,7 +51,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> {
 				category: ps.category,
 			});
 
-			await this.db.queryResultCache!.remove(['meta_emojis']);
+			await this.db.queryResultCache?.remove(['meta_emojis']);
 
 			this.globalEventService.publishBroadcastStream('emojiUpdated', {
 				emojis: await this.emojiEntityService.packDetailedMany(ps.ids),
diff --git a/packages/backend/src/server/api/endpoints/admin/emoji/update.ts b/packages/backend/src/server/api/endpoints/admin/emoji/update.ts
index 809bf77d6b..02efb8710a 100644
--- a/packages/backend/src/server/api/endpoints/admin/emoji/update.ts
+++ b/packages/backend/src/server/api/endpoints/admin/emoji/update.ts
@@ -66,7 +66,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> {
 				aliases: ps.aliases,
 			});
 
-			await this.db.queryResultCache!.remove(['meta_emojis']);
+			await this.db.queryResultCache?.remove(['meta_emojis']);
 
 			const updated = await this.emojiEntityService.packDetailed(emoji.id);