diff --git a/htdocs/admin/tools/dolibarr_export.php b/htdocs/admin/tools/dolibarr_export.php
index 6bbaeb7c6c8..e168f5fbdc0 100644
--- a/htdocs/admin/tools/dolibarr_export.php
+++ b/htdocs/admin/tools/dolibarr_export.php
@@ -302,7 +302,7 @@ if (in_array($type, array('mysql', 'mysqli'))) {
 
     print '<br>';
     print '<fieldset><legend>'.$langs->trans('ExportStructure').'</legend>';
-    print '<input type="checkbox" name="nobin_drop"'.((! isset($_GET["nobin_drop"]) && ! isset($_POST["nobin_drop"])) || GETPOST('nobin_drop'))?' checked':''.' id="checkbox_dump_drop" />';
+    print '<input type="checkbox" name="nobin_drop"'.(((! isset($_GET["nobin_drop"]) && ! isset($_POST["nobin_drop"])) || GETPOST('nobin_drop'))?' checked':'').' id="checkbox_dump_drop" />';
     print '<label for="checkbox_dump_drop">'.$langs->trans("AddDropTable").'</label>';
     print '<br>';
     print '</fieldset>';