diff --git a/web/federate.go b/web/federate.go
index 0a637e7c8..2f8b8aa93 100644
--- a/web/federate.go
+++ b/web/federate.go
@@ -95,8 +95,8 @@ func (h *Handler) federation(w http.ResponseWriter, req *http.Request) {
 			}
 		}
 
-		protMetric.TimestampMs = (*int64)(&sp.Timestamp)
-		protMetric.Untyped.Value = (*float64)(&sp.Value)
+		protMetric.TimestampMs = proto.Int64(int64(sp.Timestamp))
+		protMetric.Untyped.Value = proto.Float64(float64(sp.Value))
 
 		if err := enc.Encode(protMetricFam); err != nil {
 			http.Error(w, err.Error(), http.StatusInternalServerError)