diff --git a/wolkal3000.php b/wolkal3000.php
index e17dbcc..e23ad49 100644
--- a/wolkal3000.php
+++ b/wolkal3000.php
@@ -35,7 +35,7 @@ add_filter( 'cron_schedules', 'wolkal3000_cron_interval' );
 function wolkal3000_cron_interval( $schedules ) {
     $options = get_option('wolkal3000_options');
     $current = ( isset ($options['wolkal3000_timer']) ? $options['wolkal3000_timer'] : 60 ); // default 60 minutes 
-    $interval = 60 * int($current); // wir speichern Minuten
+    $interval = 60 * $current; // wir speichern Minuten
     $schedules['wolkal3000_interval'] = array(
         'interval' => $interval,
         'display'  => esc_html__( 'Calendar fetch interval' ),