diff --git a/wp-admin/install.php b/wp-admin/install.php
index 10ca1e5a72..0889c1c82d 100644
--- a/wp-admin/install.php
+++ b/wp-admin/install.php
@@ -156,12 +156,12 @@ $wpdb->query("INSERT INTO $wpdb->links (link_url, link_name, link_category, link
 $wpdb->query("INSERT INTO $wpdb->links (link_url, link_name, link_category, link_rss) VALUES ('http://dougal.gunters.org/', 'Dougal', 1, 'http://dougal.gunters.org/feed/');");
 
 // Default category
-$wpdb->query("INSERT INTO $wpdb->categories (cat_ID, cat_name, category_nicename) VALUES ('0', '".$wpdb->escape(__('Uncategorized'))."', '".sanitize_title(__('Uncategorized'))."')");
+$wpdb->query("INSERT INTO $wpdb->categories (cat_ID, cat_name, category_nicename, category_count) VALUES ('0', '".$wpdb->escape(__('Uncategorized'))."', '".sanitize_title(__('Uncategorized'))."', '1')");
 
 // First post
 $now = date('Y-m-d H:i:s');
 $now_gmt = gmdate('Y-m-d H:i:s');
-$wpdb->query("INSERT INTO $wpdb->posts (post_author, post_date, post_date_gmt, post_content, post_title, post_category, post_name, post_modified, post_modified_gmt) VALUES ('1', '$now', '$now_gmt', '".$wpdb->escape(__('Welcome to WordPress. This is your first post. Edit or delete it, then start blogging!'))."', '".$wpdb->escape(__('Hello world!'))."', '0', '".$wpdb->escape(__('hello-world'))."', '$now', '$now_gmt')");
+$wpdb->query("INSERT INTO $wpdb->posts (post_author, post_date, post_date_gmt, post_content, post_title, post_category, post_name, post_modified, post_modified_gmt, comment_count) VALUES ('1', '$now', '$now_gmt', '".$wpdb->escape(__('Welcome to WordPress. This is your first post. Edit or delete it, then start blogging!'))."', '".$wpdb->escape(__('Hello world!'))."', '0', '".$wpdb->escape(__('hello-world'))."', '$now', '$now_gmt', '1')");
 
 $wpdb->query( "INSERT INTO $wpdb->post2cat (`rel_id`, `post_id`, `category_id`) VALUES (1, 1, 1)" );