diff --git a/site_utils/setup_dev_autotest.sh b/site_utils/setup_dev_autotest.sh
index 67e6da8..2f6fb2b 100755
--- a/site_utils/setup_dev_autotest.sh
+++ b/site_utils/setup_dev_autotest.sh
@@ -196,7 +196,7 @@
 sudo a2enmod python
 # Setup permissions so that Apache web user can read the proper files.
 chmod -R o+r "${AT_DIR}"
-find "${AT_DIR}"/ -type d | xargs chmod o+x
+find "${AT_DIR}"/ -type d -print0 | xargs --null chmod o+x
 chmod o+x "${AT_DIR}"/tko/*.cgi
 # restart server
 sudo /etc/init.d/apache2 restart