X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/2ab836c11c3f4aa57a71aec18594ae59566b850c..1560685020f7c19eeee6d28b12a863cd0c6b6592:/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;
         }