diff --git a/wp-includes/classes.php b/wp-includes/classes.php
index b5583f2696..187b417ad1 100644
--- a/wp-includes/classes.php
+++ b/wp-includes/classes.php
@@ -578,6 +578,13 @@ class WP_Query {
 
 		return false;
 	}
+
+	function rewind_posts() {
+		$this->current_post = -1;
+		if ($this->post_count > 0) {
+			$this->post = $this->posts[0];
+		}
+	}
     
 	function query($query) {
 		$this->parse_query($query);
diff --git a/wp-includes/functions.php b/wp-includes/functions.php
index b31b94c38f..3a808a55ec 100644
--- a/wp-includes/functions.php
+++ b/wp-includes/functions.php
@@ -1232,6 +1232,12 @@ function have_posts() {
     return $wp_query->have_posts();
 }
 
+function rewind_posts() {
+    global $wp_query;
+
+    return $wp_query->rewind_posts();
+}
+
 function the_post() {
     start_wp(true);
 }