diff --git a/Library/Formula/libarchive.rb b/Library/Formula/libarchive.rb
index 41a862adaacc..8ff2ca54b7da 100644
--- a/Library/Formula/libarchive.rb
+++ b/Library/Formula/libarchive.rb
@@ -5,6 +5,8 @@ class Libarchive < Formula
   url 'http://www.libarchive.org/downloads/libarchive-3.1.2.tar.gz'
   sha1 '6a991777ecb0f890be931cec4aec856d1a195489'
 
+  depends_on 'xz' => :optional
+
   bottle do
     cellar :any
     sha1 "0e5d1b4f626533dfa2ff13787c4d43a500f36d93" => :mavericks
@@ -16,7 +18,6 @@ class Libarchive < Formula
 
   def install
     system "./configure", "--prefix=#{prefix}",
-                          "--without-lzma",
                           "--without-lzo2",
                           "--without-nettle",
                           "--without-xml2"