diff --git a/src/wp-admin/includes/schema.php b/src/wp-admin/includes/schema.php
index 26063564b1..037210af34 100644
--- a/src/wp-admin/includes/schema.php
+++ b/src/wp-admin/includes/schema.php
@@ -230,7 +230,7 @@ CREATE TABLE $wpdb->posts (
   registered datetime NOT NULL default '0000-00-00 00:00:00',
   last_updated datetime NOT NULL default '0000-00-00 00:00:00',
   public tinyint(2) NOT NULL default '1',
-  archived enum('0','1') NOT NULL default '0',
+  archived tinyint(2) NOT NULL default '0',
   mature tinyint(2) NOT NULL default '0',
   spam tinyint(2) NOT NULL default '0',
   deleted tinyint(2) NOT NULL default '0',
diff --git a/src/wp-admin/includes/upgrade.php b/src/wp-admin/includes/upgrade.php
index 63a6559561..cfbaac8d84 100644
--- a/src/wp-admin/includes/upgrade.php
+++ b/src/wp-admin/includes/upgrade.php
@@ -1978,10 +1978,21 @@ function pre_schema_upgrade() {
 		$wpdb->query("ALTER TABLE $wpdb->options DROP INDEX option_name");
 	}
 
-	// Upgrade verions prior to 3.7
-	if ( $wp_current_db_version < 25179 && is_multisite() && is_main_network() && ! defined( 'DO_NOT_UPGRADE_GLOBAL_TABLES' ) ) {
-		$wpdb->query( "ALTER TABLE $wpdb->signups ADD signup_id BIGINT(20) NOT NULL AUTO_INCREMENT PRIMARY KEY FIRST" );
-		$wpdb->query( "ALTER TABLE $wpdb->signups DROP INDEX domain" );
+	// Multisite schema upgrades.
+	if ( $wp_current_db_version < 25448 && is_multisite() && ! defined( 'DO_NOT_UPGRADE_GLOBAL_TABLES' ) && is_main_network() ) {
+
+		// Upgrade verions prior to 3.7
+		if ( $wp_current_db_version < 25179 ) {
+			// New primary key for signups.
+			$wpdb->query( "ALTER TABLE $wpdb->signups ADD signup_id BIGINT(20) NOT NULL AUTO_INCREMENT PRIMARY KEY FIRST" );
+			$wpdb->query( "ALTER TABLE $wpdb->signups DROP INDEX domain" );
+		}
+
+		if ( $wp_current_db_version < 25448 ) {
+			// Convert archived from enum to tinyint.
+			$wpdb->query( "ALTER TABLE $wpdb->blogs CHANGE COLUMN archived archived varchar(1) NOT NULL default '0'" );
+			$wpdb->query( "ALTER TABLE $wpdb->blogs CHANGE COLUMN archived archived tinyint(2) NOT NULL default 0" );
+		}
 	}
 }
 
diff --git a/src/wp-includes/version.php b/src/wp-includes/version.php
index f8a97f84fd..216e620431 100644
--- a/src/wp-includes/version.php
+++ b/src/wp-includes/version.php
@@ -11,7 +11,7 @@ $wp_version = '3.7-alpha-25343';
  *
  * @global int $wp_db_version
  */
-$wp_db_version = 25416;
+$wp_db_version = 25448;
 
 /**
  * Holds the TinyMCE version