diff --git a/brut.j.dir/src/main/java/brut/directory/DirUtil.java b/brut.j.dir/src/main/java/brut/directory/DirUtil.java
index 5b85af8f..e1ba399f 100644
--- a/brut.j.dir/src/main/java/brut/directory/DirUtil.java
+++ b/brut.j.dir/src/main/java/brut/directory/DirUtil.java
@@ -76,6 +76,9 @@ public class DirUtil {
                 OS.rmdir(new File(out, fileName));
                 in.getDir(fileName).copyToDir(new File(out, fileName));
             } else {
+                if (fileName.equals("res") && !in.containsFile(fileName)) {
+                    return;
+                }
                 File outFile = new File(out, fileName);
                 outFile.getParentFile().mkdirs();
                 BrutIO.copyAndClose(in.getFileInput(fileName),