diff --git a/config.php b/config.php
index b86887cd..a9a3f1be 100644
--- a/config.php
+++ b/config.php
@@ -146,7 +146,7 @@
     #--------------------------------------------------------------------------------
 
     if ( ! defined( 'WP_FS__IS_HTTP_REQUEST' ) ) {
-        define( 'WP_FS__IS_HTTP_REQUEST', isset( $_SERVER['HTTP_HOST'] ) );
+        define( 'WP_FS__IS_HTTP_REQUEST', isset( $_SERVER['HTTP_HOST'] ) && isset( $_SERVER['REQUEST_METHOD'] ) );
     }
 
     if ( ! defined( 'WP_FS__IS_HTTPS' ) ) {
diff --git a/start.php b/start.php
index 8f22a6e1..612152d5 100644
--- a/start.php
+++ b/start.php
@@ -15,7 +15,7 @@
 	 *
 	 * @var string
 	 */
-	$this_sdk_version = '2.5.3.2';
+	$this_sdk_version = '2.5.3.3';
 
 	#region SDK Selection Logic --------------------------------------------------------------------