diff --git a/lib/plugins/authad/auth.php b/lib/plugins/authad/auth.php
index f7f350c3f4..5985cd18f9 100644
--- a/lib/plugins/authad/auth.php
+++ b/lib/plugins/authad/auth.php
@@ -469,10 +469,10 @@ protected function _loadServerConfig($domain) {
             $this->cando['modPass'] = false;
         }
 
-        if(isset($opts['ad_username']) && isset($opts['ad_password'])) {
+        if(isset($opts['admin_username']) && isset($opts['admin_password'])) {
             $this->cando['getUsers'] = true;
         } else {
-            $this->cando['getUsers'] = true;
+            $this->cando['getUsers'] = false;
         }
 
         return $opts;