diff --git a/htdocs/contrat/services.php b/htdocs/contrat/services.php
index 4a7658e5c9d..e5a5c21c00b 100644
--- a/htdocs/contrat/services.php
+++ b/htdocs/contrat/services.php
@@ -243,12 +243,12 @@ foreach ($search_array_options as $key => $val)
     $crit=$val;
     $tmpkey=preg_replace('/search_options_/','',$key);
     $typ=$extrafields->attribute_type[$tmpkey];
-    $mode_search_extrafields=0;
-    if (in_array($typ, array('int','double','real'))) $mode_search_extrafields=1;    							// Search on a numeric
-    if (in_array($typ, array('sellist')) && $crit != '0' && $crit != '-1') $mode_search_extrafields=2;    		// Search on a foreign key int
+    $mode_search=0;
+    if (in_array($typ, array('int','double','real'))) $mode_search=1;    							// Search on a numeric
+    if (in_array($typ, array('sellist')) && $crit != '0' && $crit != '-1') $mode_search=2;    		// Search on a foreign key int
     if ($crit != '' && (! in_array($typ, array('select','sellist')) || $crit != '0'))
     {
-        $sql .= natural_search('ef.'.$tmpkey, $crit, $mode_search_extrafields);
+        $sql .= natural_search('ef.'.$tmpkey, $crit, $mode_search);
     }
 }
 $sql .= $db->order($sortfield,$sortorder);