diff --git a/lib/workers/repository/update/pr/body/config-description.ts b/lib/workers/repository/update/pr/body/config-description.ts
index cc5122ae8230cd..6ae75726daeb49 100644
--- a/lib/workers/repository/update/pr/body/config-description.ts
+++ b/lib/workers/repository/update/pr/body/config-description.ts
@@ -84,7 +84,7 @@ function getReadableCronSchedule(scheduleText: string[]): string | null {
                 throwExceptionOnParseError: false,
               })
               .replace('Every minute, ', ''),
-          ) + ` ( ${String(cron)} )`,
+          ) + ` (${cron})`,
       )
       .join(', ');
   } catch {