diff --git a/cal.php b/cal.php
index eb5df7d..9a25951 100755
--- a/cal.php
+++ b/cal.php
@@ -1,5 +1,8 @@
 <?php
-// Set header to tell clients it's a calendar feed
+
+header('Access-Control-Allow-Origin: *'); // Allows all origins
+header('Access-Control-Allow-Methods: GET'); // Allow GET requests
+//header('Content-type: application/calendar'); // Specify content type
 header('Content-Type: text/calendar; charset=utf-8');
 header('Content-Disposition: inline; filename=calendar.ics');