diff --git a/wo/cli/plugins/site_functions.py b/wo/cli/plugins/site_functions.py
index 519faae..07d5abd 100644
--- a/wo/cli/plugins/site_functions.py
+++ b/wo/cli/plugins/site_functions.py
@@ -1317,10 +1317,10 @@ def site_url_https(self, domain):
         Log.info(self, "Checking if site url already "
                  "use https, please wait...")
         WOFileUtils.chdir(self, '{0}/htdocs/'.format(wo_site_webroot))
-        wo_siteurl = WOShellExec.cmd_exec(self,
-                                          "php {0} option get siteurl "
-                                          .format(WOVariables.wo_wpcli_path) +
-                                          "--allow-root --quiet")
+        wo_siteurl = WOShellExec.cmd_exec_stdout(self,
+                                                 "php {0} option get siteurl "
+                                                 .format(WOVariables.wo_wpcli_path) +
+                                                 "--allow-root --quiet")
         test_url = re.split(":", wo_siteurl)
         if not (test_url[0] == 'https'):
             try: