diff --git a/src/main/java/com/ALGo/ALGo_server/quiz/Service/QuizService.java b/src/main/java/com/ALGo/ALGo_server/quiz/Service/QuizService.java
index 9595cfd..78e1d6a 100644
--- a/src/main/java/com/ALGo/ALGo_server/quiz/Service/QuizService.java
+++ b/src/main/java/com/ALGo/ALGo_server/quiz/Service/QuizService.java
@@ -22,7 +22,7 @@ public QuizResponseDto getQuiz(){
 
         Set<QuizDto> quizDtoList = new HashSet<>();
         while (quizDtoList.size() < 4){
-            Long randomNum = Long.valueOf(random.nextInt(16) + 1);
+            Long randomNum = Long.valueOf(random.nextInt(20) + 1);
             Quiz q = quizRepository.findById(randomNum).get();
             QuizDto quizDto = new QuizDto(q);
             quizDtoList.add(quizDto);