diff --git a/includes/core/classes/class-utility.php b/includes/core/classes/class-utility.php
index 80310252c..38b7f34e1 100644
--- a/includes/core/classes/class-utility.php
+++ b/includes/core/classes/class-utility.php
@@ -98,6 +98,7 @@ public static function unprefix_key( string $key ): string {
 	 */
 	public static function timezone_choices(): array {
 		$timezones_raw   = explode( PHP_EOL, wp_timezone_choice( 'UTC', get_user_locale() ) );
+		$timezones_clean = array();
 		$group           = null;
 
 		foreach ( $timezones_raw as $timezone ) {