diff --git a/cmd/prometheus/main.go b/cmd/prometheus/main.go
index 9251765cf..6eb850f38 100644
--- a/cmd/prometheus/main.go
+++ b/cmd/prometheus/main.go
@@ -295,9 +295,12 @@ func main() {
 	a.Flag("rules.alert.resend-delay", "Minimum amount of time to wait before resending an alert to Alertmanager.").
 		Default("1m").SetValue(&cfg.resendDelay)
 
-	a.Flag("scrape.adjust-timestamps", "Adjust scrape timestamps by up to 2ms to align them to the intended schedule. See https://github.com/prometheus/prometheus/issues/7846 for more context. Experimental. This flag will be removed in a future release.").
+	a.Flag("scrape.adjust-timestamps", "Adjust scrape timestamps by up to `scrape.timestamp-tolerance` to align them to the intended schedule. See https://github.com/prometheus/prometheus/issues/7846 for more context. Experimental. This flag will be removed in a future release.").
 		Hidden().Default("true").BoolVar(&scrape.AlignScrapeTimestamps)
 
+	a.Flag("scrape.timestamp-tolerance", "Timestamp tolerance. See https://github.com/prometheus/prometheus/issues/7846 for more context. Experimental. This flag will be removed in a future release.").
+		Hidden().Default("2ms").DurationVar(&scrape.ScrapeTimestampTolerance)
+
 	a.Flag("alertmanager.notification-queue-capacity", "The capacity of the queue for pending Alertmanager notifications.").
 		Default("10000").IntVar(&cfg.notifier.QueueCapacity)
 
diff --git a/scrape/scrape.go b/scrape/scrape.go
index ad0d632a3..9ae9932c6 100644
--- a/scrape/scrape.go
+++ b/scrape/scrape.go
@@ -49,10 +49,10 @@ import (
 	"github.com/prometheus/prometheus/storage"
 )
 
-// Temporary tolerance for scrape appends timestamps alignment, to enable better
-// compression at the TSDB level.
+// ScrapeTimestampTolerance is the tolerance for scrape appends timestamps
+// alignment, to enable better compression at the TSDB level.
 // See https://github.com/prometheus/prometheus/issues/7846
-const scrapeTimestampTolerance = 2 * time.Millisecond
+var ScrapeTimestampTolerance = 2 * time.Millisecond
 
 // AlignScrapeTimestamps enables the tolerance for scrape appends timestamps described above.
 var AlignScrapeTimestamps = true
@@ -1159,14 +1159,14 @@ mainLoop:
 		// Calling Round ensures the time used is the wall clock, as otherwise .Sub
 		// and .Add on time.Time behave differently (see time package docs).
 		scrapeTime := time.Now().Round(0)
-		if AlignScrapeTimestamps && sl.interval > 100*scrapeTimestampTolerance {
+		if AlignScrapeTimestamps && sl.interval > 100*ScrapeTimestampTolerance {
 			// For some reason, a tick might have been skipped, in which case we
 			// would call alignedScrapeTime.Add(interval) multiple times.
 			for scrapeTime.Sub(alignedScrapeTime) >= sl.interval {
 				alignedScrapeTime = alignedScrapeTime.Add(sl.interval)
 			}
 			// Align the scrape time if we are in the tolerance boundaries.
-			if scrapeTime.Sub(alignedScrapeTime) <= scrapeTimestampTolerance {
+			if scrapeTime.Sub(alignedScrapeTime) <= ScrapeTimestampTolerance {
 				scrapeTime = alignedScrapeTime
 			}
 		}