diff --git a/package.json b/package.json
index 29787ac..d31a6ff 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
 	"scripts": {
 		"rollup": "rollup -c rollup.config.js && npm run rollup:test",
 		"rollup:test": "npm run test -- --file rollup/email.bundle.test.js",
-		"lint": "eslint \"+(smtp|test)/*.ts\"",
+		"lint": "eslint *.ts \"+(smtp|test)/*.ts\"",
 		"test": "ava"
 	},
 	"license": "MIT",