diff --git a/includes/fragment-1.php b/includes/fragment-1.php
index 142cc69..2fb522e 100644
--- a/includes/fragment-1.php
+++ b/includes/fragment-1.php
@@ -1,6 +1,5 @@
 
-// Using a reverse proxy.
-define('FORCE_SSL_ADMIN', true);
-if (strpos($_SERVER['HTTP_X_FORWARDED_PROTO'], 'https') !== false)
+if ( isset( $_SERVER['HTTP_X_FORWARDED_PROTO'] ) && 'https' === $_SERVER['HTTP_X_FORWARDED_PROTO'] ) {
   $_SERVER['HTTPS']='on';
+}