diff --git a/src/main/java/com/skcraft/launcher/builder/ClientFileCollector.java b/src/main/java/com/skcraft/launcher/builder/ClientFileCollector.java
index c2f6fd4..de8862a 100644
--- a/src/main/java/com/skcraft/launcher/builder/ClientFileCollector.java
+++ b/src/main/java/com/skcraft/launcher/builder/ClientFileCollector.java
@@ -17,6 +17,7 @@
 
 import java.io.File;
 import java.io.IOException;
+import java.nio.charset.Charset;
 
 /**
  * Walks a path and adds hashed path versions to the given
@@ -25,6 +26,8 @@
 @Log
 public class ClientFileCollector extends DirectoryWalker {
 
+    public static final String URL_FILE_SUFFIX = ".url.txt";
+
     private final Manifest manifest;
     private final PropertiesApplicator applicator;
     private final File destDir;
@@ -51,17 +54,26 @@
 
     @Override
     protected void onFile(File file, String relPath) throws IOException {
-        if (file.getName().endsWith(FileInfoScanner.FILE_SUFFIX)) {
+        if (file.getName().endsWith(FileInfoScanner.FILE_SUFFIX) || file.getName().endsWith(URL_FILE_SUFFIX)) {
             return;
         }
 
+        // url.txt override file
+        File urlFile = new File(file.getAbsoluteFile().getParentFile(), file.getName() + URL_FILE_SUFFIX);
+        String to;
+        if (urlFile.exists()) {
+            to = Files.readFirstLine(urlFile, Charset.defaultCharset());
+        } else {
+            to = FilenameUtils.separatorsToUnix(FilenameUtils.normalize(relPath));
+        }
+
         FileInstall entry = new FileInstall();
         String hash = Files.hash(file, hf).toString();
         String hashedPath = hash.substring(0, 2) + "/" + hash.substring(2, 4) + "/" + hash;
         File destPath = new File(destDir, hashedPath);
         entry.setHash(hash);
         entry.setLocation(hashedPath);
-        entry.setTo(FilenameUtils.separatorsToUnix(FilenameUtils.normalize(relPath)));
+        entry.setTo(to);
         entry.setSize(file.length());
         applicator.apply(entry);
         destPath.getParentFile().mkdirs();