diff --git a/packages/backend/src/models/repositories/note.ts b/packages/backend/src/models/repositories/note.ts
index 6e5da24fd..03874d358 100644
--- a/packages/backend/src/models/repositories/note.ts
+++ b/packages/backend/src/models/repositories/note.ts
@@ -216,12 +216,20 @@ export const NoteRepository = db.getRepository(Note).extend({
 
 		if (packed.user.isCat && packed.text) {
 			const tokens = packed.text ? mfm.parse(packed.text) : [];
-			mfm.inspect(tokens, node => {
+			function nyaizeNode(node: mfm.Node) {
+				if (node.type === 'quote') return;
 				if (node.type === 'text') {
-					// TODO: quoteなtextはskip
 					node.props.text = nyaize(node.props.text);
 				}
-			});
+				if (node.children) {
+					for (const child of node.children) {
+						nyaizeNode(child);
+					}
+				}
+			}
+			for (const node of tokens) {
+				nyaizeNode(node);
+			}
 			packed.text = mfm.toString(tokens);
 		}