diff --git a/src/index.ts b/src/index.ts
index 2b129e8..bea51e5 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -7,7 +7,7 @@ import { installSourcemapsSupport } from 'vite-node/source-map'
 import { type Options, resolveOptions } from './core/options'
 import { transformMacros } from './core'
 
-export default createUnplugin<Options | undefined>((rawOptions = {}) => {
+export default createUnplugin<Options | undefined, false>((rawOptions = {}) => {
   const options = resolveOptions(rawOptions)
   const filter = createFilter(options.include, options.exclude)