diff --git a/collector/prometheus_collector.go b/collector/prometheus_collector.go
index baad487b..54f5c6c8 100644
--- a/collector/prometheus_collector.go
+++ b/collector/prometheus_collector.go
@@ -187,6 +187,9 @@ func (s byName) Less(i, j int) bool {
 func prometheusLabelSetToCadvisorLabels(promLabels model.Metric) map[string]string {
 	labels := make(map[string]string)
 	for k, v := range promLabels {
+		if string(k) == "__name__" {
+			continue
+		}
 		labels[string(k)] = string(v)
 	}
 	return labels
diff --git a/metrics/prometheus.go b/metrics/prometheus.go
index d32a3dda..c3044e17 100644
--- a/metrics/prometheus.go
+++ b/metrics/prometheus.go
@@ -1682,9 +1682,6 @@ func (c *PrometheusCollector) collectContainersInfo(ch chan<- prometheus.Metric)
 					copy(clabels, labels)
 					copy(cvalues, values)
 					for label, value := range metric.Labels {
-						if label == "__name__" {
-							continue
-						}
 						clabels = append(clabels, sanitizeLabelName(label))
 						cvalues = append(cvalues, value)
 					}