diff --git a/doc/changelog.txt b/doc/changelog.txt
index 84e5456..212afc9 100644
--- a/doc/changelog.txt
+++ b/doc/changelog.txt
@@ -1,3 +1,7 @@
+0.9 "" (released xx.xx.2010)
+
+  * Do not use the diff -B option when comparing archives.
+
 0.8 "Storage" (released 11.3.2010)
 
   * Fix path error by using absolute pathname for archive when changing
diff --git a/patoolib/__init__.py b/patoolib/__init__.py
index 25a96c8..e169786 100644
--- a/patoolib/__init__.py
+++ b/patoolib/__init__.py
@@ -468,7 +468,7 @@ def _diff_archives (archive1, archive2):
     try:
         path1 = _handle_archive(archive1, 'extract', outdir=tmpdir1)
         path2 = _handle_archive(archive2, 'extract', outdir=tmpdir2)
-        return util.run([diff, "-BurN", path1, path2])
+        return util.run([diff, "-urN", path1, path2])
     finally:
         shutil.rmtree(tmpdir1, onerror=util.log_error)
         shutil.rmtree(tmpdir2, onerror=util.log_error)