diff --git a/src/main/scala/lc/core/models.scala b/src/main/scala/lc/core/models.scala
index 834607f..83835a2 100644
--- a/src/main/scala/lc/core/models.scala
+++ b/src/main/scala/lc/core/models.scala
@@ -6,7 +6,7 @@ case class Parameters(level: String, media: String, input_type: String, size: Op
 case class Id(id: String) extends ChallengeResult
 case class Image(image: Array[Byte]) extends ChallengeResult
 case class Answer(answer: String, id: String)
-case class Result(result: String)
+case class Result(result: String) extends ChallengeResult
 case class Error(message: String) extends ChallengeResult
 case class Response(statusCode: Int, message: Array[Byte])
 case class CaptchaConfig(