diff --git a/services/personal-information.go b/services/personal-information.go
index 51a36a0..44a9a7e 100644
--- a/services/personal-information.go
+++ b/services/personal-information.go
@@ -55,17 +55,11 @@ func GetPersons(ids []uuid.UUID, header http.Header) (map[uuid.UUID]model.Person
 	var persons []model.PersonalInformation
 	personsMap := make(map[uuid.UUID]model.PersonalInformation)
 
-	jsonIds, err := json.Marshal(&map[string][]uuid.UUID{
-		"ids": ids,
-	})
-
-	if err != nil {
-		return nil, err
-	}
-
 	data, err, req := api.PostRequest(
 		config.Env.MSHosts.PersonsHost+"/persons/batch/",
-		jsonIds,
+		&map[string][]uuid.UUID{
+			"ids": ids,
+		},
 		header)
 
 	if err != nil || req.StatusCode != 200 {