diff --git a/pkg/metrics/envoy.go b/pkg/metrics/envoy.go
index b4487df3..5373f532 100644
--- a/pkg/metrics/envoy.go
+++ b/pkg/metrics/envoy.go
@@ -114,6 +114,6 @@ func (c *Observer) GetEnvoyRequestDuration(name string, namespace string, metric
 	if rate == nil {
 		return 0, fmt.Errorf("no values found for metric %s", metric)
 	}
-	ms := time.Duration(int64(*rate*1000)) * time.Millisecond
+	ms := time.Duration(int64(*rate)) * time.Millisecond
 	return ms, nil
 }
diff --git a/pkg/metrics/observer_test.go b/pkg/metrics/observer_test.go
index dab4cd52..fcd12eb4 100644
--- a/pkg/metrics/observer_test.go
+++ b/pkg/metrics/observer_test.go
@@ -29,7 +29,7 @@ func TestCanaryObserver_GetEnvoySuccessRate(t *testing.T) {
 
 func TestCanaryObserver_GetEnvoyRequestDuration(t *testing.T) {
 	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		json := `{"status":"success","data":{"resultType":"vector","result":[{"metric":{},"value":[1545905245.596,"0.2"]}]}}`
+		json := `{"status":"success","data":{"resultType":"vector","result":[{"metric":{},"value":[1545905245.596,"200"]}]}}`
 		w.Write([]byte(json))
 	}))
 	defer ts.Close()