X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/d3604b8594ce1c2ec01bac675fc35b49ab8fc7df..88eaa8430b8ceb1696af50c603561a451353ed2a:/lib/AddressDetails.php

diff --git a/lib/AddressDetails.php b/lib/AddressDetails.php
index 2d40c84f..b62335d1 100644
--- a/lib/AddressDetails.php
+++ b/lib/AddressDetails.php
@@ -17,7 +17,7 @@ class AddressDetails
             $mLangPref = 'ARRAY['.join(',', array_map('getDBQuoted', $mLangPref)).']';
         }
 
-        if (!$sHousenumber) {
+        if (!isset($sHousenumber)) {
             $sHousenumber = -1;
         }