diff --git a/setup/installer/__init__.py b/setup/installer/__init__.py
index 23c68b7b8c..4aa0585f3f 100644
--- a/setup/installer/__init__.py
+++ b/setup/installer/__init__.py
@@ -11,7 +11,7 @@ import subprocess, tempfile, os, time
 from setup import Command, installer_name
 from setup.build_environment import HOST, PROJECT
 
-BASE_RSYNC = ['rsync', '-e', 'ssh -x', '-avz', '--delete']
+BASE_RSYNC = ['rsync', '-avz', '--delete']
 EXCLUDES = []
 for x in [
     'src/calibre/plugins', 'src/calibre/manual', 'src/calibre/trac',