diff --git a/web/web.go b/web/web.go
index f4336cfb2..1945051a0 100644
--- a/web/web.go
+++ b/web/web.go
@@ -191,6 +191,12 @@ type Options struct {
 	RemoteReadConcurrencyLimit int
 }
 
+func instrumentHandlerWithPrefix(prefix string) func(handlerName string, handler http.HandlerFunc) http.HandlerFunc {
+	return func(handlerName string, handler http.HandlerFunc) http.HandlerFunc {
+		return instrumentHandler(prefix+handlerName, handler)
+	}
+}
+
 func instrumentHandler(handlerName string, handler http.HandlerFunc) http.HandlerFunc {
 	return promhttp.InstrumentHandlerDuration(
 		requestDuration.MustCurryWith(prometheus.Labels{"handler": handlerName}),
@@ -459,7 +465,7 @@ func (h *Handler) Run(ctx context.Context) error {
 	mux := http.NewServeMux()
 	mux.Handle("/", h.router)
 
-	av1 := route.New().WithInstrumentation(instrumentHandler)
+	av1 := route.New().WithInstrumentation(instrumentHandlerWithPrefix("/api/v1"))
 	h.apiV1.Register(av1)
 	apiPath := "/api"
 	if h.options.RoutePrefix != "/" {