diff --git a/wp-includes/pluggable.php b/wp-includes/pluggable.php
index 9a88d30873..0946f8f238 100644
--- a/wp-includes/pluggable.php
+++ b/wp-includes/pluggable.php
@@ -99,7 +99,7 @@ function get_currentuserinfo() {
 		return;
 
 	if ( ! $user = wp_validate_auth_cookie() ) {
-		 if ( empty($_COOKIE[LOGGED_IN_COOKIE]) || !$user = wp_validate_auth_cookie($_COOKIE[LOGGED_IN_COOKIE], 'logged_in') ) {
+		 if ( is_admin() || empty($_COOKIE[LOGGED_IN_COOKIE]) || !$user = wp_validate_auth_cookie($_COOKIE[LOGGED_IN_COOKIE], 'logged_in') ) {
 		 	wp_set_current_user(0);
 		 	return false;
 		 }