diff --git a/http-server/main.cpp b/http-server/main.cpp
index 3710e08..6d75d5b 100644
--- a/http-server/main.cpp
+++ b/http-server/main.cpp
@@ -114,6 +114,10 @@ std::string generate_file_list(const std::string& base_path, const std::string&
     </html>
     )";
 
+#ifdef _WIN32
+    html = ansi_to_u8(html);
+#endif
+
     return html;
 }