diff --git a/agent/agent.go b/agent/agent.go
index f17ed1d85..7ebbb82c8 100644
--- a/agent/agent.go
+++ b/agent/agent.go
@@ -974,7 +974,7 @@ func (a *Agent) Test(ctx context.Context, wait time.Duration) error {
 	wg.Add(1)
 	go func() {
 		defer wg.Done()
-		s := &influx.Serializer{SortFields: true}
+		s := &influx.Serializer{SortFields: true, UintSupport: true}
 		for metric := range src {
 			octets, err := s.Serialize(metric)
 			if err == nil {