diff --git a/web/api/v1/errors_test.go b/web/api/v1/errors_test.go
index b6ec7d4e1..b14d147a1 100644
--- a/web/api/v1/errors_test.go
+++ b/web/api/v1/errors_test.go
@@ -136,6 +136,7 @@ func createPrometheusAPI(q storage.SampleAndChunkQueryable) *route.Router {
 		nil,
 		false,
 		false,
+		false, // Disable experimental reduce remote write proto support.
 	)
 
 	promRouter := route.New().WithPrefix("/api/v1")