diff --git a/lib/AddressDetails.php b/lib/AddressDetails.php
index b62335d1..783a0fda 100644
--- a/lib/AddressDetails.php
+++ b/lib/AddressDetails.php
@@ -14,7 +14,7 @@ class AddressDetails
     public function __construct(&$oDB, $iPlaceID, $sHousenumber, $mLangPref)
     {
         if (is_array($mLangPref)) {
-            $mLangPref = 'ARRAY['.join(',', array_map('getDBQuoted', $mLangPref)).']';
+            $mLangPref = $oDB->getArraySQL($oDB->getDBQuotedList($mLangPref));
         }
 
         if (!isset($sHousenumber)) {
diff --git a/website/hierarchy.php b/website/hierarchy.php
index 87e8a0af..e2db3ede 100644
--- a/website/hierarchy.php
+++ b/website/hierarchy.php
@@ -58,7 +58,7 @@ if (CONST_Use_Aux_Location_data) {
 }
 
 
-$oAddressLookup = new AddressDetails($oDB, $iPlaceID, -1, $aLangPrefOrder);
+$oAddressLookup = new Nominatim\AddressDetails($oDB, $iPlaceID, -1, $aLangPrefOrder);
 $aPlaceAddress = array_reverse($oAddressLookup->getAddressDetails());
 
 if (empty($aPlaceAddress)) userError('Unknown place id.');