diff --git a/internal/stats/stats.go b/internal/stats/stats.go
index e483dbba41f..2504bb336e5 100644
--- a/internal/stats/stats.go
+++ b/internal/stats/stats.go
@@ -403,10 +403,12 @@ func (s *StatsCtx) flush() (cont bool, sleepFor time.Duration) {
 
 	derr := tx.DeleteBucket(idToUnitName(id - limit))
 	if derr != nil {
-		log.Error("stats: deleting unit: %s", derr)
+		logFunc := log.Error
 		if !errors.Is(derr, bbolt.ErrBucketNotFound) {
 			isCommitable = false
+			logFunc = log.Debug
 		}
+		logFunc("stats: deleting unit: %s", derr)
 	}
 
 	err = finishTxn(tx, isCommitable)