diff --git a/frontend/react/src/audio/audiomanager.ts b/frontend/react/src/audio/audiomanager.ts
index bb16b5f5..a310fc43 100644
--- a/frontend/react/src/audio/audiomanager.ts
+++ b/frontend/react/src/audio/audiomanager.ts
@@ -54,7 +54,10 @@ export class AudioManager {
 
   constructor() {
     ConfigLoadedEvent.on((config: OlympusConfig) => {
-      config.audio.WSPort ? this.setPort(config.audio.WSPort) : this.setEndpoint(config.audio.WSEndpoint);
+      if (config.audio) 
+        config.audio.WSPort ? this.setPort(config.audio.WSPort) : this.setEndpoint(config.audio.WSEndpoint);
+      else 
+        console.error("No audio configuration found in the Olympus configuration file");
     });
 
     CommandModeOptionsChangedEvent.on((options: CommandModeOptions) => {
diff --git a/frontend/react/src/interfaces.ts b/frontend/react/src/interfaces.ts
index cbf4d021..ee453d7e 100644
--- a/frontend/react/src/interfaces.ts
+++ b/frontend/react/src/interfaces.ts
@@ -5,11 +5,6 @@ export interface OlympusConfig {
   /* Set by user */
   frontend: {
     port: number;
-    customAuthHeaders: {
-      enabled: boolean;
-      username: string;
-      group: string;
-    };
     elevationProvider: {
       provider: string;
       username: string | null;
@@ -26,23 +21,30 @@ export interface OlympusConfig {
     mapMirrors: {
       [key: string]: string;
     };
-    autoconnectWhenLocal: boolean;
+    /* New with v2.0.0 */
+    customAuthHeaders?: {
+      enabled: boolean;
+      username: string;
+      group: string;
+    };
+    autoconnectWhenLocal?: boolean;
   };
-  audio: {
+  /* New with v2.0.0 */
+  audio?: {
     SRSPort: number;
     WSPort?: number;
     WSEndpoint?: string;
   };
-  controllers: [{ type: string; coalition: Coalition; frequency: number; modulation: number; callsign: string }];
+  controllers?: [{ type: string; coalition: Coalition; frequency: number; modulation: number; callsign: string }];
   profiles?: { [key: string]: ProfileOptions };
-  authentication?: {
+
+  /* Set by server */
+  local?: boolean;
+  authentication?: { // Only sent when in localhost mode for autologin
     gameMasterPassword: string;
     blueCommanderPasword: string;
     redCommanderPassword: string;
   };
-
-  /* Set by server */
-  local: boolean;
 }
 
 export interface SessionData {
diff --git a/frontend/react/src/olympusapp.ts b/frontend/react/src/olympusapp.ts
index 4329e6e9..ed0ce16b 100644
--- a/frontend/react/src/olympusapp.ts
+++ b/frontend/react/src/olympusapp.ts
@@ -172,7 +172,7 @@ export class OlympusApp {
       })
       .then(([result, headers]) => {
         this.#config = result;
-        if (this.#config.frontend.customAuthHeaders.enabled) {
+        if (this.#config.frontend.customAuthHeaders?.enabled) {
           if (headers.has(this.#config.frontend.customAuthHeaders.username) && headers.has(this.#config.frontend.customAuthHeaders.group)) {
             this.getServerManager().setUsername(headers.get(this.#config.frontend.customAuthHeaders.username));
             this.setState(OlympusState.LOGIN, LoginSubState.COMMAND_MODE);
diff --git a/manager/javascripts/dcsinstance.js b/manager/javascripts/dcsinstance.js
index e93767b1..3299d0f5 100644
--- a/manager/javascripts/dcsinstance.js
+++ b/manager/javascripts/dcsinstance.js
@@ -186,8 +186,12 @@ class DCSInstance {
                 this.backendPort = config["backend"]["port"];
                 this.backendAddress = config["backend"]["address"];
                 this.gameMasterPasswordHash = config["authentication"]["gameMasterPassword"];
-                this.autoconnectWhenLocal = config["frontend"]["autoconnectWhenLocal"];
-                this.SRSPort = config["audio"]["SRSPort"];
+
+                /* Read the new configurations added in v2.0.0 */
+                if ( config["frontend"]["autoconnectWhenLocal"] !== undefined)
+                    this.autoconnectWhenLocal = config["frontend"]["autoconnectWhenLocal"];
+                if (config["frontend"]["audio"] !== undefined && config["frontend"]["audio"]["SRSPort"] !== undefined)
+                    this.SRSPort = config["audio"]["SRSPort"];
 
                 this.gameMasterPasswordEdited = false;
                 this.blueCommanderPasswordEdited = false;