diff --git a/wp-includes/version.php b/wp-includes/version.php
index 4a56070f85..079d209e4c 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.5-alpha-36128';
+$wp_version = '4.5-alpha-36130';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.
diff --git a/wp-includes/widgets.php b/wp-includes/widgets.php
index 848249170a..b24b465503 100644
--- a/wp-includes/widgets.php
+++ b/wp-includes/widgets.php
@@ -616,9 +616,9 @@ function dynamic_sidebar( $index = 1 ) {
 	if ( is_int( $index ) ) {
 		$index = "sidebar-$index";
 	} else {
-		$sanitized_index = sanitize_title( $index );
+		$index = sanitize_title( $index );
 		foreach ( (array) $wp_registered_sidebars as $key => $value ) {
-			if ( sanitize_title( $value['name'] ) == $sanitized_index ) {
+			if ( sanitize_title( $value['name'] ) == $index ) {
 				$index = $key;
 				break;
 			}