diff --git a/src/main/java/kr/co/preq/domain/board/service/BoardService.java b/src/main/java/kr/co/preq/domain/board/service/BoardService.java
index 4ccdcc0..9436df3 100644
--- a/src/main/java/kr/co/preq/domain/board/service/BoardService.java
+++ b/src/main/java/kr/co/preq/domain/board/service/BoardService.java
@@ -85,7 +85,7 @@ public BoardGetResponseDto getDetailBoard(Long boardId) {
         board.updateViews(views);
 
         List<CommentResponseDto> results = new ArrayList<>();
-        List<Comment> comments = commentRepository.findByBoardId(boardId);
+        List<Comment> comments = commentRepository.findByBoardIdOrderByCreatedAt(boardId);
 
         comments.forEach(comment -> {
             results.add(CommentResponseDto.of(comment.getId(), comment.getMember().getName(), comment.getContent()));
diff --git a/src/main/java/kr/co/preq/domain/comment/repository/CommentRepository.java b/src/main/java/kr/co/preq/domain/comment/repository/CommentRepository.java
index 96911d4..dec3266 100644
--- a/src/main/java/kr/co/preq/domain/comment/repository/CommentRepository.java
+++ b/src/main/java/kr/co/preq/domain/comment/repository/CommentRepository.java
@@ -6,5 +6,5 @@
 import java.util.List;
 
 public interface CommentRepository extends JpaRepository<Comment, Long>  {
-    List<Comment> findByBoardId(Long boardId);
+    List<Comment> findByBoardIdOrderByCreatedAt(Long boardId);
 }