diff --git a/wp-includes/fonts/class-wp-font-utils.php b/wp-includes/fonts/class-wp-font-utils.php
index 5bca536d2d..22baff3a5a 100644
--- a/wp-includes/fonts/class-wp-font-utils.php
+++ b/wp-includes/fonts/class-wp-font-utils.php
@@ -132,7 +132,7 @@ class WP_Font_Utils {
 			$slug_elements
 		);
 
-		return sanitize_text_field( join( ';', $slug_elements ) );
+		return sanitize_text_field( implode( ';', $slug_elements ) );
 	}
 
 	/**
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 39fc89cec8..e80aa7e50e 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.5-alpha-57566';
+$wp_version = '6.5-alpha-57567';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.