diff --git a/CHANGELOG.md b/CHANGELOG.md
index f1e863a8f2..fa56f1a268 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,7 @@
 ## Unreleased
 
 ### General
--
+- Fix: Play作成時に設定した公開範囲が機能していない問題を修正
 
 ### Client
 - Enhance: 自分のノートの添付ファイルから直接ファイルの詳細ページに飛べるように
diff --git a/locales/index.d.ts b/locales/index.d.ts
index 87065e1d37..7f4ec7ecb0 100644
--- a/locales/index.d.ts
+++ b/locales/index.d.ts
@@ -8635,6 +8635,10 @@ export interface Locale extends ILocale {
          * 説明
          */
         "summary": string;
+        /**
+         * 非公開に設定するとプロフィールに表示されなくなりますが、URLを知っている人は引き続きアクセスできます。
+         */
+        "visibilityDescription": string;
     };
     "_pages": {
         /**
diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index f42fd6587a..8b44ac2121 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -2280,6 +2280,7 @@ _play:
   title: "タイトル"
   script: "スクリプト"
   summary: "説明"
+  visibilityDescription: "非公開に設定するとプロフィールに表示されなくなりますが、URLを知っている人は引き続きアクセスできます。"
 
 _pages:
   newPage: "ページの作成"
diff --git a/packages/backend/src/server/api/endpoints/flash/create.ts b/packages/backend/src/server/api/endpoints/flash/create.ts
index 584d167a29..361496e17e 100644
--- a/packages/backend/src/server/api/endpoints/flash/create.ts
+++ b/packages/backend/src/server/api/endpoints/flash/create.ts
@@ -44,6 +44,7 @@ export const paramDef = {
 		permissions: { type: 'array', items: {
 			type: 'string',
 		} },
+		visibility: { type: 'string', enum: ['public', 'private'], default: 'public' },
 	},
 	required: ['title', 'summary', 'script', 'permissions'],
 } as const;
@@ -66,6 +67,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				summary: ps.summary,
 				script: ps.script,
 				permissions: ps.permissions,
+				visibility: ps.visibility,
 			}).then(x => this.flashsRepository.findOneByOrFail(x.identifiers[0]));
 
 			return await this.flashEntityService.pack(flash);
diff --git a/packages/frontend/src/pages/flash/flash-edit.vue b/packages/frontend/src/pages/flash/flash-edit.vue
index 4418172e62..3625bc1164 100644
--- a/packages/frontend/src/pages/flash/flash-edit.vue
+++ b/packages/frontend/src/pages/flash/flash-edit.vue
@@ -18,16 +18,17 @@ SPDX-License-Identifier: AGPL-3.0-only
 			<MkCodeEditor v-model="script" lang="is">
 				<template #label>{{ i18n.ts._play.script }}</template>
 			</MkCodeEditor>
+			<MkSelect v-model="visibility">
+				<template #label>{{ i18n.ts.visibility }}</template>
+				<template #caption>{{ i18n.ts._play.visibilityDescription }}</template>
+				<option :key="'public'" :value="'public'">{{ i18n.ts.public }}</option>
+				<option :key="'private'" :value="'private'">{{ i18n.ts.private }}</option>
+			</MkSelect>
 			<div class="_buttons">
 				<MkButton primary @click="save"><i class="ti ti-check"></i> {{ i18n.ts.save }}</MkButton>
 				<MkButton @click="show"><i class="ti ti-eye"></i> {{ i18n.ts.show }}</MkButton>
 				<MkButton v-if="flash" danger @click="del"><i class="ti ti-trash"></i> {{ i18n.ts.delete }}</MkButton>
 			</div>
-			<MkSelect v-model="visibility">
-				<template #label>{{ i18n.ts.visibility }}</template>
-				<option :key="'public'" :value="'public'">{{ i18n.ts.public }}</option>
-				<option :key="'private'" :value="'private'">{{ i18n.ts.private }}</option>
-			</MkSelect>
 		</div>
 	</MkSpacer>
 </MkStickyContainer>
@@ -367,7 +368,7 @@ const props = defineProps<{
 }>();
 
 const flash = ref<Misskey.entities.Flash | null>(null);
-const visibility = ref<Misskey.entities.FlashUpdateRequest['visibility']>('public');
+const visibility = ref<'private' | 'public'>('public');
 
 if (props.id) {
 	flash.value = await misskeyApi('flash/show', {
@@ -420,6 +421,7 @@ async function save() {
 			summary: summary.value,
 			permissions: permissions.value,
 			script: script.value,
+			visibility: visibility.value,
 		});
 		router.push('/play/' + created.id + '/edit');
 	}
diff --git a/packages/misskey-js/src/autogen/types.ts b/packages/misskey-js/src/autogen/types.ts
index be3e86bd78..3c862f690e 100644
--- a/packages/misskey-js/src/autogen/types.ts
+++ b/packages/misskey-js/src/autogen/types.ts
@@ -22686,6 +22686,11 @@ export type operations = {
           summary: string;
           script: string;
           permissions: string[];
+          /**
+           * @default public
+           * @enum {string}
+           */
+          visibility?: 'public' | 'private';
         };
       };
     };