diff --git a/push-syndication.php b/push-syndication.php
index 16b9cdc0b6eec4b478a954a3c2f78be7150ae585..f709836d85d74975cf6cc5ae4f2cb3913dc5b0d5 100644
--- a/push-syndication.php
+++ b/push-syndication.php
@@ -13,7 +13,7 @@ License:      GPLv2 or later
 **************************************************************************/
 
 require_once ( dirname( __FILE__ ) . '/includes/class-wp-push-syndication-server.php' );
-if( file_exists( dirname( __FILE__ ) . '/includes/class-wpcom-push-syndication-server.php' ) )
+if( apply_filters( 'syn_use_async_jobs', false ) )
     require_once ( dirname( __FILE__ ) . '/includes/class-wpcom-push-syndication-server.php' );
 
 if ( !defined( 'PUSH_SYNDICATION_ENVIRONMENT' ) )