diff --git a/CHANGELOG.md b/CHANGELOG.md
index fd56700e1f..4f6d4812af 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,7 @@
 - Fix: 公開範囲がホームのノートの埋め込みウィジェットが読み込まれない問題を修正  
   (Cherry-picked from https://activitypub.software/TransFem-org/Sharkey/-/merge_requests/803)
 - Fix: 絵文字管理画面で一部の絵文字が表示されない問題を修正
+- Fix: プラグイン `register_note_view_interruptor` でノートのサーバー情報の書き換えができない問題を修正
 
 ### Server
 - Fix: ユーザーのプロフィール画面をアドレス入力などで直接表示した際に概要タブの描画に失敗する問題の修正( #15032 )
diff --git a/packages/frontend/src/components/MkInstanceTicker.vue b/packages/frontend/src/components/MkInstanceTicker.vue
index fae22baa3f..570c50b627 100644
--- a/packages/frontend/src/components/MkInstanceTicker.vue
+++ b/packages/frontend/src/components/MkInstanceTicker.vue
@@ -4,16 +4,16 @@ SPDX-License-Identifier: AGPL-3.0-only
 -->
 
 <template>
-<div :class="$style.root" :style="bg">
+<div :class="$style.root" :style="themeColorStyle">
 	<img v-if="faviconUrl" :class="$style.icon" :src="faviconUrl"/>
-	<div :class="$style.name">{{ instance.name }}</div>
+	<div :class="$style.name">{{ instanceName }}</div>
 </div>
 </template>
 
 <script lang="ts" setup>
-import { computed } from 'vue';
-import { instanceName } from '@@/js/config.js';
-import { instance as Instance } from '@/instance.js';
+import { computed, type CSSProperties } from 'vue';
+import { instanceName as localInstanceName } from '@@/js/config.js';
+import { instance as localInstance } from '@/instance.js';
 import { getProxiedImageUrlNullable } from '@/scripts/media-proxy.js';
 
 const props = defineProps<{
@@ -25,18 +25,16 @@ const props = defineProps<{
 }>();
 
 // if no instance data is given, this is for the local instance
-const instance = props.instance ?? {
-	name: instanceName,
-	themeColor: (document.querySelector('meta[name="theme-color-orig"]') as HTMLMetaElement).content,
-};
+const instanceName = computed(() => props.instance?.name ?? localInstanceName);
 
-const faviconUrl = computed(() => props.instance ? getProxiedImageUrlNullable(props.instance.faviconUrl, 'preview') : getProxiedImageUrlNullable(Instance.iconUrl, 'preview') ?? '/favicon.ico');
+const faviconUrl = computed(() => getProxiedImageUrlNullable(props.instance?.faviconUrl ?? localInstance.iconUrl, 'preview') ?? '/favicon.ico');
 
-const themeColor = instance.themeColor ?? '#777777';
-
-const bg = {
-	background: `linear-gradient(90deg, ${themeColor}, ${themeColor}00)`,
-};
+const themeColorStyle = computed<CSSProperties>(() => {
+	const themeColor = props.instance?.themeColor ?? localInstance.themeColor ?? '#777777';
+	return {
+		background: `linear-gradient(90deg, ${themeColor}, ${themeColor}00)`,
+	};
+});
 </script>
 
 <style lang="scss" module>