diff --git a/wp-admin/admin.php b/wp-admin/admin.php
index 0437af415a..1dcc071991 100644
--- a/wp-admin/admin.php
+++ b/wp-admin/admin.php
@@ -36,6 +36,7 @@ require_once dirname( __DIR__ ) . '/wp-load.php';
 nocache_headers();
 
 if ( get_option( 'db_upgraded' ) ) {
+
 	flush_rewrite_rules();
 	update_option( 'db_upgraded', false );
 
@@ -45,7 +46,9 @@ if ( get_option( 'db_upgraded' ) ) {
 	 * @since 2.8.0
 	 */
 	do_action( 'after_db_upgrade' );
-} elseif ( get_option( 'db_version' ) !== $wp_db_version && empty( $_POST ) ) {
+
+} elseif ( (int) get_option( 'db_version' ) !== $wp_db_version && empty( $_POST ) ) {
+
 	if ( ! is_multisite() ) {
 		wp_redirect( admin_url( 'upgrade.php?_wp_http_referer=' . urlencode( wp_unslash( $_SERVER['REQUEST_URI'] ) ) ) );
 		exit;
diff --git a/wp-includes/version.php b/wp-includes/version.php
index c688806369..4a2a9a7ddd 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.5-alpha-47786';
+$wp_version = '5.5-alpha-47787';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.