diff --git a/backend/src/main/java/ru/micord/ervu/scheduler/ExcerptCleanScheduler.java b/backend/src/main/java/ru/micord/ervu/scheduler/ExcerptCleanScheduler.java
index 28137513..392c9c6f 100644
--- a/backend/src/main/java/ru/micord/ervu/scheduler/ExcerptCleanScheduler.java
+++ b/backend/src/main/java/ru/micord/ervu/scheduler/ExcerptCleanScheduler.java
@@ -17,7 +17,7 @@ public class ExcerptCleanScheduler {
     this.excerptHistoryDao = excerptHistoryDao;
   }
 
-  @Scheduled(cron = "${excerpt.cleanup.cron:0 */30 * * * *}")
+  @Scheduled(fixedDelayString = "${excerpt.cleanup.delay:30000}")
   @SchedulerLock(name = "oldExcerptFilesCleaning")
   public void cleanOld() {
     excerptHistoryDao.deleteOld();