I guess coveralls doesn't like the 'list' reporter

package.json

@@ -22,7 +22,7 @@
   ],
   "scripts": {
     "start": "node server.js",
-    "test": "istanbul cover ./node_modules/mocha/bin/_mocha --report lcovonly -- -R list && cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js && rm -rf ./coverage"
+    "test": "istanbul cover ./node_modules/mocha/bin/_mocha --report lcovonly -- -R spec && cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js && rm -rf ./coverage"
   },
   "dependencies": {
     "body-parser": "~1.8.1",