diff --git a/export-contacts.sh b/export-contacts.sh
index 21bded3..844a5eb 100755
--- a/export-contacts.sh
+++ b/export-contacts.sh
@@ -289,3 +289,5 @@ $result = $export -> export_user_contacts(
 
 if ($out)
   fclose($out);
+
+exit($result?0:1);