diff --git a/.travis.yml b/.travis.yml
index d58e77c..c968c50 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,6 +3,9 @@ dist: trusty
 os:
 - linux
 - osx
+- os: windows
+    env:
+      - YARN_GPG=no # otherwise this starts gpg-agent that never exits
 language: node_js
 node_js:
 - '10.0.0'
diff --git a/package.json b/package.json
index ab21a49..4611efe 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
     "postinstall": "download_deps --package package.json",
     "docs": "rimraf docs/ && jsdoc -c jsdoc.json",
     "test": "cross-env NODE_ENV=test mocha --recursive",
-    "test-coverage": "cross-env NODE_ENV=test istanbul cover _mocha --report lcovonly -- -R spec --recursive test",
+    "test-coverage": "cross-env NODE_ENV=test istanbul cover ./node_modules/mocha/bin/_mocha --timeout 5000 --report lcovonly -- -R spec --recursive test",
     "publish-coverage": "cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js",
     "pre-pack": "npm run lint",
     "prepush": "npm run lint && cross-env NODE_ENV=dev npm run test",