diff --git a/wp-includes/class-wp.php b/wp-includes/class-wp.php
index 6eb6177c09..9765a01507 100644
--- a/wp-includes/class-wp.php
+++ b/wp-includes/class-wp.php
@@ -252,7 +252,7 @@ class WP {
 				}
 			}
 
-			if ( isset( $this->matched_rule ) ) {
+			if ( ! empty( $this->matched_rule ) ) {
 				// Trim the query of everything up to the '?'.
 				$query = preg_replace( '!^.+\?!', '', $query );
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 4e17590ae1..f97ced49b7 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.0-alpha-52804';
+$wp_version = '6.0-alpha-52805';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.