diff --git a/include/class_ldapFilter.inc b/include/class_ldapFilter.inc
index 238190050c4216bbc1e0d12101c29900c2c197c4..95bc95b1691029fb3535960f0b9a62709531d891 100644
--- a/include/class_ldapFilter.inc
+++ b/include/class_ldapFilter.inc
@@ -85,7 +85,7 @@ class ldapFilter
   function listUsedAttributes(&$result = array())
   {
     foreach ($this->subparts as $subpart) {
-      $subpart->listAttributes($result);
+      $subpart->listUsedAttributes($result);
     }
     return $result;
   }