diff --git a/back/services/cron.ts b/back/services/cron.ts
index 503ba7bd..d421ae69 100644
--- a/back/services/cron.ts
+++ b/back/services/cron.ts
@@ -31,7 +31,7 @@ export default class CronService {
 
   private isSixCron(cron: Crontab) {
     const { schedule } = cron;
-    if (schedule.split(' ').length === 6) {
+    if (schedule.split(/ +/).length === 6) {
       return true;
     }
     return false;