diff --git a/wp-includes/class-walker-page-dropdown.php b/wp-includes/class-walker-page-dropdown.php
index 5e77d2dd26..4c940c1722 100644
--- a/wp-includes/class-walker-page-dropdown.php
+++ b/wp-includes/class-walker-page-dropdown.php
@@ -69,7 +69,7 @@ class Walker_PageDropdown extends Walker {
 		}
 
 		$output .= "\t<option class=\"level-$depth\" value=\"" . esc_attr( $page->{$args['value_field']} ) . '"';
-		if ( $page->ID == $args['selected'] ) {
+		if ( $page->ID === (int) $args['selected'] ) {
 			$output .= ' selected="selected"';
 		}
 		$output .= '>';
diff --git a/wp-includes/version.php b/wp-includes/version.php
index e45f21d031..a52b497a14 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.3-alpha-55904';
+$wp_version = '6.3-alpha-55905';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.