diff --git a/lib/core/index.js b/lib/core/index.js
index 920e55b9..a941dcef 100644
--- a/lib/core/index.js
+++ b/lib/core/index.js
@@ -200,9 +200,9 @@ module.exports = function createMiddleware(_dir, _options) {
         path.relative(path.join('/', baseDir), pathname)
       )
     );
-    // determine compressed forms if they were to exist
-    gzippedFile = `${file}.gz`;
-    brotliFile = `${file}.br`;
+    // determine compressed forms if they were to exist, make sure to handle pre-compressed files, i.e. files with .br/.gz extension. we will serve them "as-is"
+    gzippedFile = file.endsWith('gz') ? file : `${file}.gz`;
+    brotliFile = file.endsWith('br') ? file : `${file}.br`;
 
     Object.keys(headers).forEach((key) => {
       res.setHeader(key, headers[key]);
diff --git a/package.json b/package.json
index d4c408a0..7bf90a0f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "http-server",
-  "version": "14.1.1",
+  "version": "14.1.2",
   "description": "A simple zero-configuration command-line http server",
   "main": "./lib/http-server",
   "repository": {