diff --git a/pkg/query-service/model/model.go b/pkg/query-service/model/model.go
index 7792f55ee2..f0c4f4d8cc 100644
--- a/pkg/query-service/model/model.go
+++ b/pkg/query-service/model/model.go
@@ -50,6 +50,7 @@ type TagQuery struct {
 type SpanSearchAggregatesParams struct {
 	ServiceName       string
 	OperationName     string
+	Kind              string
 	MinDuration       string
 	MaxDuration       string
 	Tags              []TagQuery
@@ -64,6 +65,7 @@ type SpanSearchAggregatesParams struct {
 type SpanSearchParams struct {
 	ServiceName   string
 	OperationName string
+	Kind          string
 	Intervals     string
 	MinDuration   string
 	MaxDuration   string