diff --git a/package.json b/package.json
index 7e45b37b3d..a5480e2612 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
   "scripts": {
     "test": "mocha --opts mocha.opts",
     "precoverage": "mocha --opts mocha.coverage.opts",
-    "coverage": "nyc report --reporter=text-lcov > coverage.lcov && codecov",
+    "coverage": "mkdir -p .nyc_output && nyc report --reporter=text-lcov > coverage.lcov && codecov",
     "lint": "eslint compiler",
     "build": "rollup -c",
     "pretest": "npm run build",