diff --git a/pkg/ambient/ambient.go b/pkg/ambient/ambient.go
index 878b839..fc22fe4 100644
--- a/pkg/ambient/ambient.go
+++ b/pkg/ambient/ambient.go
@@ -97,6 +97,9 @@ func (aw *AmbientWeather) handleProviderRequest(
 
 	// Update metrics
 	if aw.metrics == nil {
+		if aw.config.MetricPrefix != "" {
+			weather.MetricPrefix = aw.config.MetricPrefix
+		}
 		aw.metrics = weather.MustInitMetrics(aw.appCtx)
 	}
 	aw.metrics.Update(update)