diff --git a/htdocs/admin/tools/dolibarr_export.php b/htdocs/admin/tools/dolibarr_export.php
index 1ad21490e4b..6c376b02300 100644
--- a/htdocs/admin/tools/dolibarr_export.php
+++ b/htdocs/admin/tools/dolibarr_export.php
@@ -241,7 +241,8 @@ if (in_array($type, array('mysql', 'mysqli'))) {
     print '<input type="checkbox" name="sql_structure" value="structure" id="checkbox_sql_structure" checked />';
     print '<label for="checkbox_sql_structure">'.$langs->trans('ExportStructure').'</label>';
     print '</legend>';
-    print '<input type="checkbox" name="drop"'.(((!isset($_GET["drop"]) && !isset($_POST["drop"])) || GETPOST('drop')) ? ' checked' : '').' id="checkbox_dump_drop" />';
+
+    print '<input type="checkbox" name="drop"'.((! GETPOSTISSET("drop") || GETPOST('drop')) ? ' checked' : '').' id="checkbox_dump_drop" />';
     print '<label for="checkbox_dump_drop">'.$langs->trans("AddDropTable").'</label>';
     print '<br>';
     print '</fieldset>';