diff --git a/postgres-appliance/bootstrap/clone_with_wale.py b/postgres-appliance/bootstrap/clone_with_wale.py
index e8d31962d..372e86f6d 100755
--- a/postgres-appliance/bootstrap/clone_with_wale.py
+++ b/postgres-appliance/bootstrap/clone_with_wale.py
@@ -176,6 +176,10 @@ def run_clone_from_s3(options):
             envdir = get_clone_envdir()
             with open(os.path.join(envdir, update_envdir), 'w') as f:
                 f.write(env[update_envdir])
+
+        ret = subprocess.call(['chmod', '0700', options.datadir])
+        if ret != 0:
+            raise Exception("Permission adjustment of data dir exited with code {0}".format(ret))
     return 0