diff --git a/wp-admin/install.php b/wp-admin/install.php
index dab1d77dc8..f2cfb17bd0 100644
--- a/wp-admin/install.php
+++ b/wp-admin/install.php
@@ -171,7 +171,9 @@ $wpdb->query("INSERT INTO $wpdb->posts (post_author, post_date, post_date_gmt, p
 
 // Set up admin user
 $random_password = substr(md5(uniqid(microtime())), 0, 6);
-$wpdb->query("INSERT INTO $wpdb->users (ID, user_login, user_pass, user_email, user_registered) VALUES ( '1', 'admin', MD5('$random_password'), '$admin_email', NOW() )");
+$display_name_array = explode('@', $admin_email);
+$display_name = $display_name_array[0];
+$wpdb->query("INSERT INTO $wpdb->users (ID, user_login, user_pass, user_email, user_registered, display_name, user_nicename) VALUES ( '1', 'admin', MD5('$random_password'), '$admin_email', NOW(), '$display_name', '$display_name')");
 $wpdb->query("INSERT INTO $wpdb->usermeta (user_id, meta_key, meta_value) VALUES ({$wpdb->insert_id}, '{$table_prefix}user_level', '10');");
 $admin_caps = serialize(array('administrator' => true));
 $wpdb->query("INSERT INTO $wpdb->usermeta (user_id, meta_key, meta_value) VALUES ({$wpdb->insert_id}, '{$table_prefix}capabilities', '{$admin_caps}');");