diff --git a/wo/cli/plugins/site_create.py b/wo/cli/plugins/site_create.py
index 648436d..1d9739c 100644
--- a/wo/cli/plugins/site_create.py
+++ b/wo/cli/plugins/site_create.py
@@ -393,8 +393,10 @@ class WOSiteCreateController(CementBaseController):
                          " http://{0}".format(wo_domain))
 
             else:
-                addNewSite(self, wo_domain, stype, cache, wo_site_webroot,
-                           php_version=php_version)
+                if not php_version:
+                    php_version = None
+                    addNewSite(self, wo_domain, stype, cache, wo_site_webroot,
+                               php_version=php_version)
 
             # Setup database for MySQL site
             if 'wo_db_name' in data.keys() and not data['wp']: