diff --git a/lib/preview.php b/lib/preview.php
index a73f4cb1ac0..4705efe2107 100755
--- a/lib/preview.php
+++ b/lib/preview.php
@@ -20,7 +20,7 @@ require_once('preview/pdf.php');
 require_once('preview/svg.php');
 require_once('preview/txt.php');
 require_once('preview/unknown.php');
-require_once('preview/msoffice.php');
+//require_once('preview/msoffice.php');
 //require_once('preview/opendocument.php');
 
 class Preview {
diff --git a/lib/preview/libreoffice-cl.php b/lib/preview/libreoffice-cl.php
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/lib/preview/office.php b/lib/preview/office.php
new file mode 100644
index 00000000000..c66f5584f07
--- /dev/null
+++ b/lib/preview/office.php
@@ -0,0 +1,13 @@
+<?php
+/**
+ * Copyright (c) 2013 Georg Ehrke georg@ownCloud.com
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
+ */
+if(shell_exec('libreoffice') || shell_exec('openoffice')) {
+	require_once('libreoffice-cl.php');
+}else{
+	require_once('msoffice.php');
+	require_once('opendocument.php');
+}
\ No newline at end of file
diff --git a/lib/preview/opendocument.php b/lib/preview/opendocument.php
new file mode 100644
index 00000000000..e69de29bb2d