diff --git a/telemetry/metrics.go b/telemetry/metrics.go
index 8fd138d048fc..1af3705626ed 100644
--- a/telemetry/metrics.go
+++ b/telemetry/metrics.go
@@ -65,7 +65,7 @@ type Config struct {
 	GlobalLabels [][]string `mapstructure:"global-labels"`
 
 	// MetricsSink defines the type of metrics backend to use.
-	MetricsSink string `mapstructure:"type" default:"mem"`
+	MetricsSink string `mapstructure:"metrics-sink" default:"mem"`
 
 	// StatsdAddr defines the address of a statsd server to send metrics to.
 	// Only utilized if MetricsSink is set to "statsd" or "dogstatsd".