diff --git a/wp-includes/pluggable.php b/wp-includes/pluggable.php
index c0d7b7def7..52f54e5607 100644
--- a/wp-includes/pluggable.php
+++ b/wp-includes/pluggable.php
@@ -758,10 +758,14 @@ function auth_redirect() {
 		}
 	}
 
-	if ( is_user_admin() )
-		$scheme = 'logged_in';
-	else
-		$scheme = apply_filters( 'auth_redirect_scheme', '' );
+	/**
+	 * Filters the authentication redirect scheme.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param string $scheme Authentication redirect scheme. Default empty.
+	 */
+	$scheme = apply_filters( 'auth_redirect_scheme', '' );
 
 	if ( $user_id = wp_validate_auth_cookie( '',  $scheme) ) {
 		do_action('auth_redirect', $user_id);