diff --git a/internal/metrics/sparkapplication_metrics.go b/internal/metrics/sparkapplication_metrics.go
index ac84a18f21..93ecfb53f3 100644
--- a/internal/metrics/sparkapplication_metrics.go
+++ b/internal/metrics/sparkapplication_metrics.go
@@ -368,7 +368,7 @@ func (m *SparkApplicationMetrics) getMetricLabels(app *v1beta2.SparkApplication)
 	// Convert spark application validLabels to valid metric validLabels.
 	validLabels := make(map[string]string)
 	for key, val := range app.Labels {
-		newKey := util.CreateValidMetricNameLabel(m.prefix, key)
+		newKey := util.CreateValidMetricNameLabel("", key)
 		validLabels[newKey] = val
 	}
 
diff --git a/internal/metrics/sparkpod_metrics.go b/internal/metrics/sparkpod_metrics.go
index 3b57572546..43ca3e7d78 100644
--- a/internal/metrics/sparkpod_metrics.go
+++ b/internal/metrics/sparkpod_metrics.go
@@ -44,7 +44,7 @@ func NewSparkExecutorMetrics(prefix string, labels []string) *SparkExecutorMetri
 
 	return &SparkExecutorMetrics{
 		prefix: prefix,
-		labels: labels,
+		labels: validLabels,
 
 		runningCount: prometheus.NewGaugeVec(
 			prometheus.GaugeOpts{