diff --git a/collector/helper.go b/collector/helper.go
index aeea5c9..305efde 100644
--- a/collector/helper.go
+++ b/collector/helper.go
@@ -11,11 +11,12 @@ func newGlobalMetric(namespace string, metricName string, docString string, cons
 	return prometheus.NewDesc(namespace+"_"+metricName, docString, nil, constLabels)
 }
 
-func newUpMetric(namespace string) prometheus.Gauge {
+func newUpMetric(namespace string, constLabels map[string]string) prometheus.Gauge {
 	return prometheus.NewGauge(prometheus.GaugeOpts{
-		Namespace: namespace,
-		Name:      "up",
-		Help:      "Status of the last metric scrape",
+		Namespace:   namespace,
+		Name:        "up",
+		Help:        "Status of the last metric scrape",
+		ConstLabels: constLabels,
 	})
 }
 
diff --git a/collector/nginx.go b/collector/nginx.go
index c6576db..ec8a6fa 100644
--- a/collector/nginx.go
+++ b/collector/nginx.go
@@ -29,7 +29,7 @@ func NewNginxCollector(nginxClient *client.NginxClient, namespace string, constL
 			"connections_waiting":  newGlobalMetric(namespace, "connections_waiting", "Idle client connections", constLabels),
 			"http_requests_total":  newGlobalMetric(namespace, "http_requests_total", "Total http requests", constLabels),
 		},
-		upMetric: newUpMetric(namespace),
+		upMetric: newUpMetric(namespace, constLabels),
 	}
 }
 
diff --git a/collector/nginx_plus.go b/collector/nginx_plus.go
index 40c89cb..fc1992b 100644
--- a/collector/nginx_plus.go
+++ b/collector/nginx_plus.go
@@ -136,7 +136,7 @@ func NewNginxPlusCollector(nginxClient *plusclient.NginxClient, namespace string
 			"timedout": newResolverMetric(namespace, "timedout", "Total number of timed out requests", constLabels),
 			"unknown":  newResolverMetric(namespace, "unknown", "Total requests completed with an unknown error", constLabels),
 		},
-		upMetric: newUpMetric(namespace),
+		upMetric: newUpMetric(namespace, constLabels),
 	}
 }