diff --git a/app/modules/bma/lib/network.ts b/app/modules/bma/lib/network.ts
index 89fda152eeb68d34ab55b853ee184517e97dd575..ea20a3eda18bf4d7cbf8099059732f7482dfc356 100644
--- a/app/modules/bma/lib/network.ts
+++ b/app/modules/bma/lib/network.ts
@@ -53,7 +53,8 @@ export const Network = {
     if (whitelist.indexOf('127.0.0.1') === -1) {
       whitelist.push('127.0.0.1');
     }
-    const ddosConf = server.conf.dos || { silentStart: true };
+    const ddosConf = server.conf.dos || {};
+    ddosConf.silentStart = true
     ddosConf.whitelist = _.uniq((ddosConf.whitelist || []).concat(whitelist));
     const ddosInstance = new ddos(ddosConf);
     app.use(ddosInstance.express);
diff --git a/app/modules/prover/lib/powCluster.ts b/app/modules/prover/lib/powCluster.ts
index bfc7537d584c6c09991449efb9b646da5b04be6a..e61fe037726dff80801918572942bfa20250c2a4 100644
--- a/app/modules/prover/lib/powCluster.ts
+++ b/app/modules/prover/lib/powCluster.ts
@@ -6,6 +6,7 @@ const nuuid = require('node-uuid');
 const moment = require('moment');
 const cluster = require('cluster')
 const querablep = require('querablep')
+const logger = require('../../../lib/logger').NewLogger()
 
 let clusterId = 0
 
@@ -228,7 +229,7 @@ if (cluster.isMaster) {
 } else {
 
   process.on("SIGTERM", function() {
-    console.log(`SIGTERM received, closing worker ${process.pid}`);
+    logger.info(`SIGTERM received, closing worker ${process.pid}`);
     process.exit(0)
   });