diff --git a/src/index.ts b/src/index.ts
index 4f7fc939..f540f96e 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -19,9 +19,13 @@ import mongoose from "mongoose";
         return "<BIGINT>" + this.toString() + "</BIGINT>";
     };
     const og_stringify = JSON.stringify;
-    // eslint-disable-next-line @typescript-eslint/no-explicit-any, @typescript-eslint/no-unsafe-member-access
-    (JSON as any).stringify = (obj: any): string => {
-        return og_stringify(obj).split(`"<BIGINT>`).join(``).split(`</BIGINT>"`).join(``);
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    JSON.stringify = (obj: any, replacer?: any, space?: string | number): string => {
+        return og_stringify(obj, replacer as string[], space)
+            .split(`"<BIGINT>`)
+            .join(``)
+            .split(`</BIGINT>"`)
+            .join(``);
     };
 }
 
diff --git a/src/services/configService.ts b/src/services/configService.ts
index 66c50dda..114eccc9 100644
--- a/src/services/configService.ts
+++ b/src/services/configService.ts
@@ -34,7 +34,7 @@ interface IConfig {
     httpsPort?: number;
     myIrcAddresses?: string[];
     NRS?: string[];
-    administratorNames?: string[] | string;
+    administratorNames?: string[];
     autoCreateAccount?: boolean;
     skipTutorial?: boolean;
     skipAllDialogue?: boolean;
@@ -83,10 +83,15 @@ export const updateConfig = async (data: string): Promise<void> => {
     Object.assign(config, JSON.parse(data));
 };
 
+export const saveConfig = async (): Promise<void> => {
+    amnesia = true;
+    await fsPromises.writeFile(configPath, JSON.stringify(config, null, 2));
+};
+
 export const validateConfig = (): void => {
     if (typeof config.administratorNames == "string") {
-        logger.warn(
-            `"administratorNames" should be an array; please add square brackets: ["${config.administratorNames}"]`
-        );
+        logger.info(`Updating config.json to make administratorNames an array.`);
+        config.administratorNames = [config.administratorNames];
+        void saveConfig();
     }
 };
diff --git a/src/services/loginService.ts b/src/services/loginService.ts
index 099103be..276ebdb7 100644
--- a/src/services/loginService.ts
+++ b/src/services/loginService.ts
@@ -92,13 +92,7 @@ export const getAccountIdForRequest = async (req: Request): Promise<string> => {
 };
 
 export const isAdministrator = (account: TAccountDocument): boolean => {
-    if (!config.administratorNames) {
-        return false;
-    }
-    if (typeof config.administratorNames == "string") {
-        return config.administratorNames == account.DisplayName;
-    }
-    return !!config.administratorNames.find(x => x == account.DisplayName);
+    return !!config.administratorNames?.find(x => x == account.DisplayName);
 };
 
 const platform_magics = [753, 639, 247, 37, 60];