diff --git a/app/vminsert/main.go b/app/vminsert/main.go
index 62ff780017..23e9e27df0 100644
--- a/app/vminsert/main.go
+++ b/app/vminsert/main.go
@@ -13,6 +13,7 @@ import (
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/opentsdbhttp"
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/prometheus"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/storage"
 	"github.com/VictoriaMetrics/metrics"
 )
 
@@ -21,10 +22,13 @@ var (
 	opentsdbListenAddr     = flag.String("opentsdbListenAddr", "", "TCP and UDP address to listen for OpentTSDB put messages. Usually :4242 must be set. Doesn't work if empty")
 	opentsdbHTTPListenAddr = flag.String("opentsdbHTTPListenAddr", "", "TCP address to listen for OpentTSDB HTTP put requests. Usually :4242 must be set. Doesn't work if empty")
 	maxInsertRequestSize   = flag.Int("maxInsertRequestSize", 32*1024*1024, "The maximum size of a single insert request in bytes")
+	maxLabelsPerTimeseries = flag.Int("maxLabelsPerTimeseries", 30, "The maximum number of labels accepted per time series. Superflouos labels are dropped")
 )
 
 // Init initializes vminsert.
 func Init() {
+	storage.SetMaxLabelsPerTimeseries(*maxLabelsPerTimeseries)
+
 	concurrencylimiter.Init()
 	if len(*graphiteListenAddr) > 0 {
 		go graphite.Serve(*graphiteListenAddr)
diff --git a/lib/storage/metric_name.go b/lib/storage/metric_name.go
index 4c9975923d..08a4a755fb 100644
--- a/lib/storage/metric_name.go
+++ b/lib/storage/metric_name.go
@@ -9,6 +9,7 @@ import (
 
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/bytesutil"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/encoding"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompb"
 )
 
@@ -392,9 +393,18 @@ const maxLabelNameLen = 256
 const maxLabelValueLen = 16 * 1024
 
 // The maximum number of labels per each timeseries.
+var maxLabelsPerTimeseries = 30
+
+// SetMaxLabelsPerTimeseries sets the limit on the number of labels
+// per each time series.
 //
-// Superflouos lables are dropped.
-const maxLabelsPerTimeseries = 30
+// Superfouos labels are dropped.
+func SetMaxLabelsPerTimeseries(maxLabels int) {
+	if maxLabels <= 0 {
+		logger.Panicf("BUG: maxLabels must be positive; got %d", maxLabels)
+	}
+	maxLabelsPerTimeseries = maxLabels
+}
 
 // MarshalMetricNameRaw marshals labels to dst and returns the result.
 //