diff --git a/wp-admin/includes/theme-install.php b/wp-admin/includes/theme-install.php
index 7d5436ec3..f7256061b 100644
--- a/wp-admin/includes/theme-install.php
+++ b/wp-admin/includes/theme-install.php
@@ -455,8 +455,11 @@ function install_theme_information() {
 	// Sanitize HTML
 	foreach ( (array)$api->sections as $section_name => $content )
 		$api->sections[$section_name] = wp_kses($content, $themes_allowedtags);
-	foreach ( array('version', 'author', 'requires', 'tested', 'homepage', 'downloaded', 'slug') as $key )
-		$api->$key = wp_kses($api->$key, $themes_allowedtags);
+
+	foreach ( array('version', 'author', 'requires', 'tested', 'homepage', 'downloaded', 'slug') as $key ) {
+		if ( isset($api->$key) )
+			$api->$key = wp_kses($api->$key, $themes_allowedtags);
+	}
 
 	iframe_header( __('Theme Install') );
 
diff --git a/wp-admin/update.php b/wp-admin/update.php
index 43f6e13f8..aa1a7bf0c 100644
--- a/wp-admin/update.php
+++ b/wp-admin/update.php
@@ -205,7 +205,7 @@ if ( isset($_GET['action']) ) {
 		wp_enqueue_script('theme-preview');
 		$title = __('Install Themes');
 		$parent_file = 'themes.php';
-		$submenu_file = 'theme-install.php';
+		$submenu_file = 'themes.php';
 		require_once('admin-header.php');
 
 		$title = sprintf( __('Installing Theme: %s'), $api->name . ' ' . $api->version );