diff --git a/lookup.php b/lookup.php
index b49293d..ccec33d 100644
--- a/lookup.php
+++ b/lookup.php
@@ -2,6 +2,8 @@
 
 require_once __DIR__ . "/FixPhrase.lib.php";
 
+header("Access-Control-Allow-Origin: *");
+
 /**
  * Build and send a simple JSON response.
  * @param string $msg A message