diff --git a/CHANGELOG.next.asciidoc b/CHANGELOG.next.asciidoc
index 0e33c7ff8899..0d48000f9aba 100644
--- a/CHANGELOG.next.asciidoc
+++ b/CHANGELOG.next.asciidoc
@@ -281,6 +281,7 @@ field. You can revert this change by configuring tags for the module and omittin
 - Fixed scheduler shutdown issues which would in rare situations cause a panic due to semaphore misuse. {pull}16397[16397]
 - Fixed TCP TLS checks to properly validate hostnames, this broke in 7.x and only worked for IP SANs. {pull}17549[17549]
 - Add support for new `service_name` option to all monitors. {pull}19932[19932].
+- Stop rescheduling tasks of stopped monitors. {pull}20570[20570]
 
 *Journalbeat*
 
diff --git a/heartbeat/scheduler/scheduler.go b/heartbeat/scheduler/scheduler.go
index 18f927a2d806..87db7075c448 100644
--- a/heartbeat/scheduler/scheduler.go
+++ b/heartbeat/scheduler/scheduler.go
@@ -188,6 +188,12 @@ func (s *Scheduler) Add(sched Schedule, id string, entrypoint TaskFunc) (removeF
 	var taskFn timerqueue.TimerTaskFn
 
 	taskFn = func(_ time.Time) {
+		select {
+		case <-jobCtx.Done():
+			debugf("Job '%v' canceled", id)
+			return
+		default:
+		}
 		s.stats.activeJobs.Inc()
 		lastRanAt = s.runRecursiveJob(jobCtx, entrypoint)
 		s.stats.activeJobs.Dec()