diff --git a/htdocs/admin/tools/export.php b/htdocs/admin/tools/export.php
index 7b37e7112f3dd..a833b5160b969 100644
--- a/htdocs/admin/tools/export.php
+++ b/htdocs/admin/tools/export.php
@@ -40,7 +40,7 @@
 $sortfield = GETPOST('sortfield', 'alpha');
 $sortorder = GETPOST('sortorder', 'alpha');
 $page = GETPOST("page", 'int');
-if (empty($page) || $page == -1 || GETPOST('button_search','alpha') || GETPOST('button_removefilter','alpha') || (empty($toselect) && $massaction === '0')) { $page = 0; }     // If $page is not defined, or '' or -1 or if we click on clear filters or if we select empty mass action
+if (empty($page) || $page == -1 || GETPOST('button_search', 'alpha') || GETPOST('button_removefilter', 'alpha') || (empty($toselect) && $massaction === '0')) { $page = 0; }     // If $page is not defined, or '' or -1 or if we click on clear filters or if we select empty mass action
 $offset = $limit * $page;
 if (! $sortorder) $sortorder="DESC";
 if (! $sortfield) $sortfield="date";