diff --git a/wp-includes/class-wp-customize-manager.php b/wp-includes/class-wp-customize-manager.php
index f8bab30232..fcc9697fd6 100644
--- a/wp-includes/class-wp-customize-manager.php
+++ b/wp-includes/class-wp-customize-manager.php
@@ -1302,7 +1302,7 @@ final class WP_Customize_Manager {
 	 */
 	protected function _cmp_priority( $a, $b ) {
 		if ( $a->priority === $b->priority ) {
-			return $a->instance_number - $a->instance_number;
+			return $a->instance_number - $b->instance_number;
 		} else {
 			return $a->priority - $b->priority;
 		}
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 3be19c1f19..86dc47d401 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.4-beta3-35552';
+$wp_version = '4.4-beta3-35553';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.