diff --git a/packages/frontend/src/components/MkNote.vue b/packages/frontend/src/components/MkNote.vue
index ffbf658ea6..6349df2e30 100644
--- a/packages/frontend/src/components/MkNote.vue
+++ b/packages/frontend/src/components/MkNote.vue
@@ -240,14 +240,23 @@ const urls = $computed(() => parsed ? extractUrlFromMfm(parsed) : null);
 const isLong = shouldCollapsed(appearNote, urls ?? []);
 const collapsed = ref(appearNote.cw == null && isLong);
 const isDeleted = ref(false);
-const muted = ref($i ? checkWordMute(appearNote, $i, $i.mutedWords) : false);
-const hardMuted = ref(props.withHardMute && ($i ? checkWordMute(appearNote, $i, $i.hardMutedWords) : false));
+const muted = ref(checkMute(appearNote, $i?.mutedWords));
+const hardMuted = ref(props.withHardMute && checkMute(appearNote, $i?.hardMutedWords));
 const translation = ref<any>(null);
 const translating = ref(false);
 const showTicker = (defaultStore.state.instanceTicker === 'always') || (defaultStore.state.instanceTicker === 'remote' && appearNote.user.instance);
 const canRenote = computed(() => ['public', 'home'].includes(appearNote.visibility) || (appearNote.visibility === 'followers' && appearNote.userId === $i.id));
 let renoteCollapsed = $ref(defaultStore.state.collapseRenotes && isRenote && (($i && ($i.id === note.userId || $i.id === appearNote.userId)) || (appearNote.myReaction != null)));
 
+function checkMute(note: Misskey.entities.Note, mutedWords: Array<string | string[]> | undefined | null): boolean {
+	if (mutedWords == null) return false;
+
+	if (checkWordMute(note, $i, mutedWords)) return true;
+	if (note.reply && checkWordMute(note.reply, $i, mutedWords)) return true;
+	if (note.renote && checkWordMute(note.renote, $i, mutedWords)) return true;
+	return false;
+}
+
 const keymap = {
 	'r': () => reply(true),
 	'e|a|plus': () => react(true),