diff --git a/src/main/java/com/depromeet/domain/image/application/ImageService.java b/src/main/java/com/depromeet/domain/image/application/ImageService.java
index 71825692a..122d8019c 100644
--- a/src/main/java/com/depromeet/domain/image/application/ImageService.java
+++ b/src/main/java/com/depromeet/domain/image/application/ImageService.java
@@ -102,12 +102,14 @@ public PresignedUrlResponse createMemberProfilePresignedUrl(
 
     public void uploadCompleteMemberProfile(MemberProfileImageUploadCompleteRequest request) {
         final Member currentMember = memberUtil.getCurrentMember();
-
-        String imageUrl =
-                createImageUrl(
-                        ImageType.MEMBER_PROFILE,
-                        currentMember.getId(),
-                        request.imageFileExtension());
+        String imageUrl = null;
+        if (request.imageFileExtension() != null) {
+            imageUrl =
+                    createImageUrl(
+                            ImageType.MEMBER_PROFILE,
+                            currentMember.getId(),
+                            request.imageFileExtension());
+        }
         currentMember.updateProfile(Profile.createProfile(request.nickname(), imageUrl));
     }
 
diff --git a/src/main/java/com/depromeet/domain/image/dto/request/MemberProfileImageUploadCompleteRequest.java b/src/main/java/com/depromeet/domain/image/dto/request/MemberProfileImageUploadCompleteRequest.java
index 9e8d4ac83..571649213 100644
--- a/src/main/java/com/depromeet/domain/image/dto/request/MemberProfileImageUploadCompleteRequest.java
+++ b/src/main/java/com/depromeet/domain/image/dto/request/MemberProfileImageUploadCompleteRequest.java
@@ -5,7 +5,7 @@
 import jakarta.validation.constraints.NotNull;
 
 public record MemberProfileImageUploadCompleteRequest(
-        @NotNull(message = "이미지 파일의 확장자는 비워둘 수 없습니다.")
-                @Schema(description = "이미지 파일의 확장자", defaultValue = "JPEG")
+        @Schema(description = "이미지 파일의 확장자", defaultValue = "JPEG")
                 ImageFileExtension imageFileExtension,
-        @Schema(description = "닉네임", defaultValue = "당근조이") String nickname) {}
+        @NotNull(message = "닉네임은 비워둘 수 없습니다.") @Schema(description = "닉네임", defaultValue = "당근조이")
+                String nickname) {}