diff --git a/src/index.ts b/src/index.ts
index d203680..3b5f98a 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -20,6 +20,7 @@ const defaultOptions = (): PluginOptions => {
     includePaths: [],
     localIdentName: '[local]-[hash:base64:6]',
     mode: 'native',
+    rune: false,
     parseExternalStylesheet: false,
     parseStyleTag: true,
     useAsDefaultScoping: false,