Enabled tlsoptions breaks npm start

[zzzpotato]

With tlsOptions set to false, the pool starts just fine. When enabled I get the following error

fs.js:667
  return binding.open(pathModule.toNamespacedPath(path),
                 ^

TypeError: path must be a string or Buffer
    at Object.fs.openSync (fs.js:667:18)
    at Object.fs.readFileSync (fs.js:572:33)
    at init (/root/z-nomp/node_modules/stratum-pool/lib/stratum.js:453:25)
    at new StratumServer (/root/z-nomp/node_modules/stratum-pool/lib/stratum.js:479:7)
    at StartStratumServer (/root/z-nomp/node_modules/stratum-pool/lib/pool.js:452:31)
    at /root/z-nomp/node_modules/stratum-pool/lib/pool.js:55:25
    at /root/z-nomp/node_modules/stratum-pool/lib/pool.js:91:13
    at /root/z-nomp/node_modules/stratum-pool/lib/pool.js:589:25
    at itemFinished (/root/z-nomp/node_modules/stratum-pool/lib/daemon.js:155:36)
    at /root/z-nomp/node_modules/stratum-pool/lib/daemon.js:169:17
2018-03-29 23:36:00 [Master]    [PoolSpawner] Fork 0 died, spawning replacement worker...

my pool config

    "tlsOptions": {
        "enabled": true,
            "cert": "/home/MyCertificate.crt",
            "key": "/home/MyKey.key",
            "ca": ""
    },

    "ports": {
        "3022": {
            "diff": 0.05,
            "tls": false,
            "varDiff": {
                "minDiff": 0.04,
                "maxDiff": 16,
                "targetTime": 15,
                "retargetTime": 60,
                "variancePercent": 30
            }
        },

        "3023": {
            "diff": 0.05,
            "tls": true,
            "varDiff": {
                "minDiff": 0.04,
                "maxDiff": 16,
                "targetTime": 15,
                "retargetTime": 60,
                "variancePercent": 30
            }
        }

    },