diff --git a/src/main/java/moneybuddy/fr/moneybuddy/service/QuizService.java b/src/main/java/moneybuddy/fr/moneybuddy/service/QuizService.java
index dadf5a9..543f28b 100644
--- a/src/main/java/moneybuddy/fr/moneybuddy/service/QuizService.java
+++ b/src/main/java/moneybuddy/fr/moneybuddy/service/QuizService.java
@@ -86,7 +86,7 @@ public Quiz updateQuiz(String quizId, UpdateQuizRequest req)
       throws FileUploadException, JsonMappingException, JsonProcessingException {
     Quiz quiz = getById(quizId);
 
-    if (req.getCorrectAnswerIndex() >= 0) quiz.setCorrectAnswerIndex(req.getCorrectAnswerIndex());
+	quiz.setCorrectAnswerIndex(req.getCorrectAnswerIndex());
 
     quiz.setQuestion(Optional.ofNullable(req.getQuestion()).orElse(quiz.getQuestion()));
     quiz.setResponse(Optional.ofNullable(req.getResponse()).orElse(quiz.getResponse()));