diff --git a/packages/client/src/components/MkNote.vue b/packages/client/src/components/MkNote.vue
index 7463d32f96..7a63f9012e 100644
--- a/packages/client/src/components/MkNote.vue
+++ b/packages/client/src/components/MkNote.vue
@@ -359,7 +359,7 @@ const isDeleted = ref(false);
 const muted = ref(
 	getWordSoftMute(
 		note.value,
-		$i.id,
+		$i?.id,
 		defaultStore.state.mutedWords,
 		defaultStore.state.mutedLangs,
 	),
diff --git a/packages/client/src/components/MkNoteDetailed.vue b/packages/client/src/components/MkNoteDetailed.vue
index 5e0770e151..a2e9c10db8 100644
--- a/packages/client/src/components/MkNoteDetailed.vue
+++ b/packages/client/src/components/MkNoteDetailed.vue
@@ -235,7 +235,7 @@ const isDeleted = ref(false);
 const muted = ref(
 	getWordSoftMute(
 		note.value,
-		$i.id,
+		$i?.id,
 		defaultStore.state.mutedWords,
 		defaultStore.state.mutedLangs,
 	),
diff --git a/packages/client/src/components/MkNoteSub.vue b/packages/client/src/components/MkNoteSub.vue
index 535320079d..1dd1351700 100644
--- a/packages/client/src/components/MkNoteSub.vue
+++ b/packages/client/src/components/MkNoteSub.vue
@@ -268,7 +268,7 @@ const isDeleted = ref(false);
 const muted = ref(
 	getWordSoftMute(
 		note.value,
-		$i.id,
+		$i?.id,
 		defaultStore.state.mutedWords,
 		defaultStore.state.mutedLangs,
 	),
diff --git a/packages/client/src/scripts/check-word-mute.ts b/packages/client/src/scripts/check-word-mute.ts
index 7bdf6a9685..730351c590 100644
--- a/packages/client/src/scripts/check-word-mute.ts
+++ b/packages/client/src/scripts/check-word-mute.ts
@@ -79,7 +79,7 @@ export function getWordSoftMute(
 	mutedWords: Array<string | string[]>,
 	mutedLangs: Array<string | string[]>,
 ): Muted {
-	if (note.userId === meId) return NotMuted;
+	if (meId == null || note.userId === meId) return NotMuted;
 
 	if (mutedWords.length > 0) {
 		const noteMuted = checkWordMute(note, mutedWords);