diff --git a/src/index.ts b/src/index.ts
index 847aa1f..60abd5c 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -13,7 +13,7 @@ function getArgs() : Options {
     });
     return {
         allowed_ips: rawArgs['--ips'] ? rawArgs['--ips'].split(',') : [],
-        basicAuth: rawArgs['--basic-auth'] || '',
+        basicAuth: rawArgs['--basic-auth'] ? rawArgs['--basic-auth'].split(':') : [],
         dirList: rawArgs['--list-dir'],
         serveDir: rawArgs['<dir>'],
         opbeat: rawArgs['--opbeat']
diff --git a/src/server.ts b/src/server.ts
index 1eff99a..81de56d 100644
--- a/src/server.ts
+++ b/src/server.ts
@@ -30,8 +30,7 @@ export default function createServer(opts : Options) : Application {
     }
 
     if (opts.basicAuth) {
-        const credentials = opts.basicAuth.split(':');
-        app.use(basicAuthHandler(credentials[0], credentials[1]));
+        app.use(basicAuthHandler(opts.basicAuth[0], opts.basicAuth[1]));
     }
 
     if (opts.dirList) {
diff --git a/src/types/index.ts b/src/types/index.ts
index 140eec7..30819a0 100644
--- a/src/types/index.ts
+++ b/src/types/index.ts
@@ -1,7 +1,7 @@
 
 export interface Options {
     allowed_ips: string[];
-    basicAuth: string;
+    basicAuth: string[];
     dirList: boolean;
     serveDir: string;
     opbeat: boolean;