diff --git a/package.json b/package.json
index 216e118..6b3cfed 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
     "typings-install": "typings install",
     "setup": "npm install  && npm run typings-install",
     "start": "tsc && node ./src/index.js",
-    "test": "istanbul cover ./node_modules/mocha/bin/_mocha test/**/*.js -- -R spec",
+    "test": "istanbul cover ./node_modules/mocha/bin/_mocha test/**/*.js --reporter lcovonly -- -R spec",
     "posttest": "codecov"
   },
   "repository": {