diff --git a/gulpfile.ts b/gulpfile.ts
index 55076961..69a8d252 100644
--- a/gulpfile.ts
+++ b/gulpfile.ts
@@ -348,7 +348,7 @@ gulp.task('generate-man', async (cb) => {
   let txt = '# Pigallery 2 man page\n';
   txt += 'pigallery2 uses [typeconfig](https://github.com/bpatrik/typeconfig) for configuration\n\n';
   txt += '`npm start -- --help` prints the following:\n\n';
-  txt += '```bash\n' + ConfigClassBuilder.attachPrivateInterface(Config).__printMan() + '```';
+  txt += '```\n' + ConfigClassBuilder.attachPrivateInterface(Config).__printMan() + '```';
   await fsp.writeFile('MANPAGE.md', txt);
   cb();
 });
diff --git a/src/backend/model/diagnostics/ConfigDiagnostics.ts b/src/backend/model/diagnostics/ConfigDiagnostics.ts
index 40048954..a03867f4 100644
--- a/src/backend/model/diagnostics/ConfigDiagnostics.ts
+++ b/src/backend/model/diagnostics/ConfigDiagnostics.ts
@@ -1,4 +1,4 @@
-import {Config, PrivateConfigClass} from '../../../common/config/private/Config';
+import {Config} from '../../../common/config/private/Config';
 import {Logger} from '../../Logger';
 import {NotificationManager} from '../NotifocationManager';
 import {ProjectPath} from '../../ProjectPath';
@@ -6,7 +6,7 @@ import {SQLConnection} from '../database/sql/SQLConnection';
 import * as fs from 'fs';
 import {FFmpegFactory} from '../FFmpegFactory';
 import {ClientConfig} from '../../../common/config/public/ClientConfig';
-import {ServerConfig} from '../../../common/config/private/PrivateConfig';
+import {IPrivateConfig, ServerConfig} from '../../../common/config/private/PrivateConfig';
 import MapLayers = ClientConfig.MapLayers;
 
 const LOG_TAG = '[ConfigDiagnostics]';
@@ -40,7 +40,7 @@ export class ConfigDiagnostics {
   }
 
 
-  static async testMetaFileConfig(metaFileConfig: ClientConfig.MetaFileConfig, config: PrivateConfig) {
+  static async testMetaFileConfig(metaFileConfig: ClientConfig.MetaFileConfig, config: IPrivateConfig) {
     if (metaFileConfig.enabled === true &&
       config.Client.Map.enabled === false) {
       throw new Error('*.gpx meta files are not supported without MAP');
@@ -73,7 +73,7 @@ export class ConfigDiagnostics {
     });
   }
 
-  static async testServerVideoConfig(videoConfig: ServerConfig.VideoConfig, config: PrivateConfig) {
+  static async testServerVideoConfig(videoConfig: ServerConfig.VideoConfig, config: IPrivateConfig) {
     if (config.Client.Media.Video.enabled === true) {
       if (videoConfig.transcoding.fps <= 0) {
         throw new Error('fps should be grater than 0');
@@ -158,11 +158,11 @@ export class ConfigDiagnostics {
   }
 
 
-  static async testTasksConfig(task: ServerConfig.JobConfig, config: PrivateConfig) {
+  static async testTasksConfig(task: ServerConfig.JobConfig, config: IPrivateConfig) {
 
   }
 
-  static async testFacesConfig(faces: ClientConfig.FacesConfig, config: PrivateConfig) {
+  static async testFacesConfig(faces: ClientConfig.FacesConfig, config: IPrivateConfig) {
     if (faces.enabled === true) {
       if (config.Server.Database.type === ServerConfig.DatabaseType.memory) {
         throw new Error('Memory Database do not support faces');
@@ -173,7 +173,7 @@ export class ConfigDiagnostics {
     }
   }
 
-  static async testSearchConfig(search: ClientConfig.SearchConfig, config: PrivateConfig) {
+  static async testSearchConfig(search: ClientConfig.SearchConfig, config: IPrivateConfig) {
     if (search.enabled === true &&
       config.Server.Database.type === ServerConfig.DatabaseType.memory) {
       throw new Error('Memory Database do not support searching');
@@ -181,7 +181,7 @@ export class ConfigDiagnostics {
   }
 
 
-  static async testSharingConfig(sharing: ClientConfig.SharingConfig, config: PrivateConfig) {
+  static async testSharingConfig(sharing: ClientConfig.SharingConfig, config: IPrivateConfig) {
     if (sharing.enabled === true &&
       config.Server.Database.type === ServerConfig.DatabaseType.memory) {
       throw new Error('Memory Database do not support sharing');
@@ -192,7 +192,7 @@ export class ConfigDiagnostics {
     }
   }
 
-  static async testRandomPhotoConfig(sharing: ClientConfig.RandomPhotoConfig, config: PrivateConfig) {
+  static async testRandomPhotoConfig(sharing: ClientConfig.RandomPhotoConfig, config: IPrivateConfig) {
     if (sharing.enabled === true &&
       config.Server.Database.type === ServerConfig.DatabaseType.memory) {
       throw new Error('Memory Database do not support random photo');