diff --git a/packages/frontend/src/components/MkMention.vue b/packages/frontend/src/components/MkMention.vue
index f2cf33eb65..016257ba9f 100644
--- a/packages/frontend/src/components/MkMention.vue
+++ b/packages/frontend/src/components/MkMention.vue
@@ -33,7 +33,7 @@ const canonical = props.host === localHost ? `@${props.username}` : `@${props.us
 const url = `/${canonical}`;
 
 const isMe = $i && (
-	`@${props.username}@${toUnicode(props.host)}` === `@${$i.username}@${toUnicode(localHost)}`.toLowerCase()
+	`@${props.username}@${toUnicode(props.host)}`.toLowerCase() === `@${$i.username}@${toUnicode(localHost)}`.toLowerCase()
 );
 
 const avatarUrl = computed(() => prefer.s.disableShowingAnimatedImages || prefer.s.dataSaver.avatar