diff --git a/lib/src/in_app_localhost_server.dart b/lib/src/in_app_localhost_server.dart
index e9df92f2..91acb5bf 100755
--- a/lib/src/in_app_localhost_server.dart
+++ b/lib/src/in_app_localhost_server.dart
@@ -12,13 +12,16 @@ class InAppLocalhostServer {
   HttpServer? _server;
   int _port = 8080;
   String _directoryIndex = 'index.html';
+  String _documentRoot = './';
 
   InAppLocalhostServer({
     int port = 8080,
     String directoryIndex = 'index.html',
+    String documentRoot = './',
   }) {
     this._port = port;
     this._directoryIndex = directoryIndex;
+    this._documentRoot = (documentRoot.endsWith('/')) ? documentRoot : '$documentRoot/';
   }
 
   ///Starts the server on `http://localhost:[port]/`.
@@ -52,6 +55,7 @@ class InAppLocalhostServer {
           var path = request.requestedUri.path;
           path = (path.startsWith('/')) ? path.substring(1) : path;
           path += (path.endsWith('/')) ? _directoryIndex : '';
+          path = _documentRoot + path;
 
           try {
             body = (await rootBundle.load(path)).buffer.asUint8List();