1 files changed, 2 insertions, 1 deletions
diff --git a/src/main/scala/xyz/driver/pdsuidomain/formats/json/sprayformats/patientdefiningcriteria.scala b/src/main/scala/xyz/driver/pdsuidomain/formats/json/sprayformats/patientdefiningcriteria.scala
index b97570a..746c7b4 100644
--- a/src/main/scala/xyz/driver/pdsuidomain/formats/json/sprayformats/patientdefiningcriteria.scala
+++ b/src/main/scala/xyz/driver/pdsuidomain/formats/json/sprayformats/patientdefiningcriteria.scala
@@ -2,12 +2,13 @@ package xyz.driver.pdsuidomain.formats.json.sprayformats
 
 import spray.json._
 import xyz.driver.pdsuidomain.entities.PatientLabel
+import xyz.driver.formats.json.labels._
 
 object patientdefiningcriteria {
   import DefaultJsonProtocol._
   import common._
 
-  implicit val patientLabelDefiningCriteriaWriter: JsonWriter[PatientLabel] = new JsonWriter[PatientLabel] {
+  implicit val patientLabelDefiningCriteriaWriter: RootJsonWriter[PatientLabel] = new RootJsonWriter[PatientLabel] {
     override def write(obj: PatientLabel) =
       JsObject(
         "id"    -> obj.id.toJson,