diff --git a/src/main/kotlin/kr/hs/dsm/inq/domain/question/service/CommentService.kt b/src/main/kotlin/kr/hs/dsm/inq/domain/question/service/CommentService.kt
index 6df9cb4..c892bc8 100644
--- a/src/main/kotlin/kr/hs/dsm/inq/domain/question/service/CommentService.kt
+++ b/src/main/kotlin/kr/hs/dsm/inq/domain/question/service/CommentService.kt
@@ -26,7 +26,7 @@ class CommentService(
             Comments(
                 comment = request.comment,
                 writer = user,
-                post = questionSets.postId
+                post = questionSets.post
             )
         )
     }