diff --git a/lib/promscrape/scrapework.go b/lib/promscrape/scrapework.go
index a516354f31..3fe5c4d437 100644
--- a/lib/promscrape/scrapework.go
+++ b/lib/promscrape/scrapework.go
@@ -832,9 +832,9 @@ func (sw *scrapeWork) sendStaleSeries(lastScrape, currScrape string, timestamp i
 	if addAutoSeries {
 		am := &autoMetrics{}
 		sw.addAutoMetrics(am, wc, timestamp)
+		setStaleMarkersForRows(wc.writeRequest.Timeseries)
+		sw.pushData(sw.Config.AuthToken, &wc.writeRequest)
 	}
-	setStaleMarkersForRows(wc.writeRequest.Timeseries)
-	sw.pushData(sw.Config.AuthToken, &wc.writeRequest)
 }
 
 func setStaleMarkersForRows(series []prompbmarshal.TimeSeries) {