diff --git a/package.json b/package.json
index 18f2968a..a94ffde1 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
     "url": "git@github.com:bcoe/c8.git"
   },
   "scripts": {
-    "test": "node ./bin/c8.js --reporter=html --reporter=text mocha --timeout=4000 ./test/*.js",
+    "test": "node ./bin/c8.js --reporter=html --reporter=text mocha --timeout=8000 ./test/*.js",
     "test:snap": "CHAI_JEST_SNAPSHOT_UPDATE_ALL=true npm test",
     "posttest": "standard",
     "coverage": "./bin/c8.js report --reporter=html --reporter=text-lcov | coveralls",
diff --git a/test/parse-args.js b/test/parse-args.js
index 5d66709e..e742a4d2 100644
--- a/test/parse-args.js
+++ b/test/parse-args.js
@@ -23,7 +23,7 @@ describe('parse-args', () => {
       const argv = buildYargs().parse(hideInstrumenteeArgs())
       const instrumenteeArgs = hideInstrumenterArgs(argv)
       instrumenteeArgs.should.eql(['my-app', '--help'])
-      argv.tempDirectory.endsWith('/coverage/tmp').should.be.equal(true)
+      argv.tempDirectory.endsWith(join('coverage', 'tmp')).should.be.equal(true)
     })
   })
 
@@ -33,7 +33,7 @@ describe('parse-args', () => {
       process.env.NODE_V8_COVERAGE = './coverage/tmp_'
       process.argv = ['node', 'c8', '--foo=99', 'my-app', '--help']
       const argv = buildYargs().parse(hideInstrumenteeArgs())
-      argv.tempDirectory.endsWith(join('coverage', 'tmp_')).should.be.equal(true)
+      argv.tempDirectory.endsWith('/coverage/tmp_').should.be.equal(true)
       process.env.NODE_V8_COVERAGE = NODE_V8_COVERAGE
     })
   })