diff --git a/MainWindow.xaml.cs b/MainWindow.xaml.cs
index 8a69d1c..9ae4910 100644
--- a/MainWindow.xaml.cs
+++ b/MainWindow.xaml.cs
@@ -2,6 +2,7 @@ using System.Collections.ObjectModel;
 using System.ComponentModel;
 using System.Diagnostics;
 using System.IO;
+using System.Text.RegularExpressions;
 using System.Threading;
 using System.Windows;
 using System.Windows.Controls;
@@ -77,6 +78,42 @@ public partial class MainWindow : FluentWindow
 
     // ── Helpers ──────────────────────────────────────────────────────────────
 
+    /// <summary>
+    /// If the file's parent folder has a bracketed prefix (e.g. "[neoHEVC] ")
+    /// and the file itself doesn't, renames the file on disk to include that
+    /// prefix and returns the new path. Returns the original path unchanged if
+    /// the condition isn't met or the rename fails.
+    /// </summary>
+    private static string TryApplyFolderPrefix(string filePath)
+    {
+        string? folder = Path.GetDirectoryName(filePath);
+        if (string.IsNullOrEmpty(folder)) return filePath;
+
+        string folderName = Path.GetFileName(folder);
+        var match = Regex.Match(folderName, @"^\[.+?\] ");
+        if (!match.Success) return filePath;
+
+        string prefix = match.Value;
+        string fileName = Path.GetFileName(filePath);
+
+        if (fileName.StartsWith(prefix, StringComparison.Ordinal)) return filePath;
+
+        string newFileName = prefix + fileName;
+        string newFilePath = Path.Combine(folder, newFileName);
+
+        if (File.Exists(newFilePath)) return filePath;
+
+        try
+        {
+            File.Move(filePath, newFilePath);
+            return newFilePath;
+        }
+        catch
+        {
+            return filePath;
+        }
+    }
+
     private static void RestartApplication()
     {
         try
@@ -212,20 +249,23 @@ public partial class MainWindow : FluentWindow
                         && !_fileQueue.Any(q => string.Equals(q.FilePath, p, StringComparison.OrdinalIgnoreCase)))
             .ToList();
 
+        var addedPaths = new List<string>();
         foreach (var path in newFiles)
         {
-            var item = new QueuedFileItem(path);
+            string effectivePath = TryApplyFolderPrefix(path);
+            var item = new QueuedFileItem(effectivePath);
             item.PropertyChanged += QueuedFileItem_PropertyChanged;
             _fileQueue.Add(item);
             _ = ScanFileItemAsync(item);
+            addedPaths.Add(effectivePath);
         }
 
         UpdateLoadingOverlay();
 
-        if (newFiles.Count > 0)
+        if (addedPaths.Count > 0)
         {
             var first = _fileQueue.FirstOrDefault(q =>
-                string.Equals(q.FilePath, newFiles[0], StringComparison.OrdinalIgnoreCase));
+                string.Equals(q.FilePath, addedPaths[0], StringComparison.OrdinalIgnoreCase));
             if (first != null) FileQueueList.SelectedItem = first;
         }
     }