diff --git a/CHANGELOG.next.asciidoc b/CHANGELOG.next.asciidoc
index fde6fe7abd0..e01bc94a290 100644
--- a/CHANGELOG.next.asciidoc
+++ b/CHANGELOG.next.asciidoc
@@ -247,6 +247,7 @@ https://github.com/elastic/beats/compare/v7.0.0-alpha2...master[Check the HEAD d
 - Fixed excessive memory usage introduced in 7.5 due to over-allocating memory for HTTP checks. {pull}15639[15639]
 - 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 18f927a2d80..87db7075c44 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()