diff --git a/@xen-orchestra/cron/src/index.js b/@xen-orchestra/cron/src/index.js
index dae5c62e8..c599a7297 100644
--- a/@xen-orchestra/cron/src/index.js
+++ b/@xen-orchestra/cron/src/index.js
@@ -9,7 +9,7 @@ class Job {
       if (scheduledRun) {
         fn()
       }
-      this._timeout = setTimeout(wrapper, schedule.next() - Date.now(), true)
+      this._timeout = setTimeout(wrapper, schedule._nextDelay(), true)
     }
     this._fn = wrapper
     this._timeout = undefined
@@ -44,6 +44,11 @@ class Schedule {
     }
     return dates
   }
+
+  _nextDelay () {
+    const now = DateTime.fromObject(this._dateTimeOpts)
+    return next(this._schedule, now) - now
+  }
 }
 
 export const createSchedule = (...args) => new Schedule(...args)