diff --git a/lib/zigbee.js b/lib/zigbee.js
index aff2d6c18..1999571eb 100644
--- a/lib/zigbee.js
+++ b/lib/zigbee.js
@@ -5,6 +5,7 @@ const data = require('./util/data');
 const utils = require('./util/utils');
 const ZigbeeQueue = require('./util/zigbeeQueue');
 const cieApp = require('./zapp/cie');
+const objectAssignDeep = require('object-assign-deep');
 const zclId = require('zcl-id');
 
 const advancedSettings = settings.get().advanced;
@@ -32,7 +33,10 @@ const defaultCfg = {
     disDefaultRsp: 0,
 };
 
-logger.debug(`Using zigbee-shepherd with settings: '${JSON.stringify(shepherdSettings)}'`);
+// Don't print network key.
+const shepherdSettingsLog = objectAssignDeep.noMutate(shepherdSettings);
+shepherdSettingsLog.net.precfgkey = 'HIDDEN';
+logger.debug(`Using zigbee-shepherd with settings: '${JSON.stringify(shepherdSettingsLog)}'`);
 
 class Zigbee {
     constructor() {