diff --git a/wp-includes/class.wp-scripts.php b/wp-includes/class.wp-scripts.php
index 00a782b3ef..9d1b706343 100644
--- a/wp-includes/class.wp-scripts.php
+++ b/wp-includes/class.wp-scripts.php
@@ -141,10 +141,6 @@ class WP_Scripts extends WP_Dependencies {
 	public function __construct() {
 		$this->init();
 		add_action( 'init', array( $this, 'init' ), 0 );
-
-		if ( ! is_admin() && ! current_theme_supports( 'html5', 'script' ) ) {
-			$this->type_attr = " type='text/javascript'";
-		}
 	}
 
 	/**
@@ -153,6 +149,10 @@ class WP_Scripts extends WP_Dependencies {
 	 * @since 3.4.0
 	 */
 	public function init() {
+		if ( ! is_admin() && ! current_theme_supports( 'html5', 'script' ) ) {
+			$this->type_attr = " type='text/javascript'";
+		}
+
 		/**
 		 * Fires when the WP_Scripts instance is initialized.
 		 *
diff --git a/wp-includes/class.wp-styles.php b/wp-includes/class.wp-styles.php
index 3673b9e319..4c1d4f53a1 100644
--- a/wp-includes/class.wp-styles.php
+++ b/wp-includes/class.wp-styles.php
@@ -117,6 +117,10 @@ class WP_Styles extends WP_Dependencies {
 	 * @since 2.6.0
 	 */
 	public function __construct() {
+		if ( ! is_admin() && ! current_theme_supports( 'html5', 'style' ) ) {
+			$this->type_attr = " type='text/css'";
+		}
+
 		/**
 		 * Fires when the WP_Styles instance is initialized.
 		 *
@@ -125,10 +129,6 @@ class WP_Styles extends WP_Dependencies {
 		 * @param WP_Styles $this WP_Styles instance (passed by reference).
 		 */
 		do_action_ref_array( 'wp_default_styles', array( &$this ) );
-
-		if ( ! is_admin() && ! current_theme_supports( 'html5', 'style' ) ) {
-			$this->type_attr = " type='text/css'";
-		}
 	}
 
 	/**
diff --git a/wp-includes/version.php b/wp-includes/version.php
index f93871c0a4..07458825b7 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.3-alpha-46170';
+$wp_version = '5.3-alpha-46171';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.