diff --git a/src/main/java/KGUcapstone/OutDecision/domain/post/controller/PostRestController.java b/src/main/java/KGUcapstone/OutDecision/domain/post/controller/PostRestController.java
index 91a6f47..a75e166 100644
--- a/src/main/java/KGUcapstone/OutDecision/domain/post/controller/PostRestController.java
+++ b/src/main/java/KGUcapstone/OutDecision/domain/post/controller/PostRestController.java
@@ -43,9 +43,9 @@ public ApiResponse<PostDTO> viewPost(@PathVariable Long postId) {
     public ApiResponse<Object> updatePost(@PathVariable Long postId,
                                           @RequestPart UploadPostDTO request,
                                           @RequestPart List<String> optionNames,
-                                          @RequestPart List<MultipartFile> newImages,
+                                          @RequestPart List<MultipartFile> optionImages,
                                           @RequestPart List<String> originImages) {
-        return ApiResponse.onSuccess(postServiceImpl.updatePost(postId, request, optionNames, newImages, originImages));
+        return ApiResponse.onSuccess(postServiceImpl.updatePost(postId, request, optionNames, optionImages, originImages));
     }
 
     /* 삭제 */
diff --git a/src/main/java/KGUcapstone/OutDecision/domain/post/service/PostServiceImpl.java b/src/main/java/KGUcapstone/OutDecision/domain/post/service/PostServiceImpl.java
index c50e632..001141c 100644
--- a/src/main/java/KGUcapstone/OutDecision/domain/post/service/PostServiceImpl.java
+++ b/src/main/java/KGUcapstone/OutDecision/domain/post/service/PostServiceImpl.java
@@ -169,7 +169,7 @@ public PostDTO viewPost(Long postId) {
     /* 수정 */
     @Override
     public boolean updatePost(Long postId, UploadPostDTO request, List<String> optionNames,
-                              List<MultipartFile> newImages, List<String> originImages) {
+                              List<MultipartFile> optionImages, List<String> originImages) {
         Long memberId = 2024L;
         Post post = postRepository.findById(postId)
                 .orElseThrow(() -> new PostHandler(ErrorStatus.POST_NOT_FOUND));
@@ -187,14 +187,14 @@ public boolean updatePost(Long postId, UploadPostDTO request, List<String> optio
 
         // 새로운 옵션 추가
         List<Options> optionsList = new ArrayList<>();
-        if (optionNames != null && newImages != null && optionNames.size() == newImages.size()) {
+        if (optionNames != null && optionImages != null && optionNames.size() == optionImages.size()) {
             for (int i = 0; i < optionNames.size(); i++) {
                 String optionName = optionNames.get(i);
                 String photoUrl = "";
 
                 // 새로운 이미지 업로드 또는 기존 이미지 사용
-                if (!newImages.get(i).isEmpty()) {
-                    photoUrl = s3Service.uploadFile(newImages.get(i), "options");
+                if (!optionImages.get(i).isEmpty()) {
+                    photoUrl = s3Service.uploadFile(optionImages.get(i), "options");
                 } else if (originImages.get(i).isEmpty()) {
                     photoUrl = originImages.get(i);
                 }