diff --git a/WF-WebAdmin/WF-WebAdmin/Model/Quiz.cs b/WF-WebAdmin/WF-WebAdmin/Model/Quiz.cs
index a72be08..af6691a 100644
--- a/WF-WebAdmin/WF-WebAdmin/Model/Quiz.cs
+++ b/WF-WebAdmin/WF-WebAdmin/Model/Quiz.cs
@@ -3,7 +3,7 @@ namespace WF_WebAdmin.Model
     public class Quiz
     {
         public int Id { get; set; }
-        public string Question { get; set; }
+        public string? Question { get; set; }
         public string AnswerA { get; set; }
         public string AnswerB { get; set; }
         public string AnswerC { get; set; }
@@ -25,8 +25,8 @@ namespace WF_WebAdmin.Model
             UserProposition = userProposition;
         }
 
-        public Quiz(int id, string question, string answerA, string answerB, string answerC, string answerD, string cAnswer)
-        {
+        public Quiz(int id, string question, string answerA, string answerB, string answerC, string answerD, string cAnswer)
+        {
             Id = id;
             Question = question;
             AnswerA = answerA;
@@ -35,7 +35,7 @@ namespace WF_WebAdmin.Model
             AnswerD = answerD;
             CAnswer = cAnswer;
             IsValid = true;
-            UserProposition = "Admin";
+            UserProposition = "Admin";
         }
 
         public Quiz() {}