diff --git a/wp-includes/script-loader.php b/wp-includes/script-loader.php
index 81bb3e2073..6a83863bfe 100644
--- a/wp-includes/script-loader.php
+++ b/wp-includes/script-loader.php
@@ -102,7 +102,7 @@ function wp_default_packages_vendor( &$scripts ) {
 	}
 
 	$scripts->add( 'wp-polyfill', null, array( 'wp-polyfill-ecmascript' ) );
-	did_action( 'init' ) && $scripts->add_inline_script(
+	did_action( 'init' ) && $scripts->add_data(
 		'wp-polyfill',
 		'data',
 		wp_get_script_polyfill(
diff --git a/wp-includes/version.php b/wp-includes/version.php
index b78b886c3b..add112fb0c 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.1-alpha-44142';
+$wp_version = '5.1-alpha-44143';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.