diff --git a/wp-includes/class-wp-customize-control.php b/wp-includes/class-wp-customize-control.php
index c220f2a921..5f8b1c3f61 100644
--- a/wp-includes/class-wp-customize-control.php
+++ b/wp-includes/class-wp-customize-control.php
@@ -1225,7 +1225,7 @@ class WP_Customize_Theme_Control extends WP_Customize_Control {
 
 			<# if ( ! data.theme.active ) { #>
 				<div class="theme-actions">
-					<a class="button" href="<?php echo add_query_arg( 'theme', '{{ data.theme.id }}', remove_query_arg( 'theme' ) ); ?>" target="_top"><?php _e( 'Live Preview' ); ?></a>
+					<a class="button" href="{{ data.theme.actions.customize }}" target="_top"><?php _e( 'Live Preview' ); ?></a>
 				</div>
 			<# } #>
 		</div>
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 16bff21c9f..0446c62d77 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.2-beta3-31910';
+$wp_version = '4.2-beta3-31911';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.