diff --git a/backend/src/main/java/codesquard/app/api/item/ItemController.java b/backend/src/main/java/codesquard/app/api/item/ItemController.java
index 7f3b305c4..838f32bee 100644
--- a/backend/src/main/java/codesquard/app/api/item/ItemController.java
+++ b/backend/src/main/java/codesquard/app/api/item/ItemController.java
@@ -1,5 +1,6 @@
 package codesquard.app.api.item;
 
+import java.util.ArrayList;
 import java.util.List;
 
 import javax.validation.Valid;
@@ -71,6 +72,9 @@ public ApiResponse<Void> modifyItem(@PathVariable Long itemId,
 		@Valid @RequestPart("item") ItemModifyRequest request,
 		@RequestPart(value = "thumbnailImage", required = false) MultipartFile thumbnailImage,
 		@AuthPrincipal Principal principal) {
+		if (addImages == null) {
+			addImages = new ArrayList<>();
+		}
 		itemService.modifyItem(itemId, request, addImages, thumbnailImage, principal);
 		return ApiResponse.ok("상품 수정을 완료하였습니다.", null);
 	}
diff --git a/backend/src/main/java/codesquard/app/api/item/ItemService.java b/backend/src/main/java/codesquard/app/api/item/ItemService.java
index 0bfaee2f5..3a53dcf8d 100644
--- a/backend/src/main/java/codesquard/app/api/item/ItemService.java
+++ b/backend/src/main/java/codesquard/app/api/item/ItemService.java
@@ -1,5 +1,6 @@
 package codesquard.app.api.item;
 
+import java.util.ArrayList;
 import java.util.List;
 import java.util.stream.Collectors;
 
@@ -106,6 +107,9 @@ public void modifyItem(Long itemId, ItemModifyRequest request, List<MultipartFil
 		log.debug("상품 수정 서비스의 이미지 테이블 저장 결과 : {}", saveImages);
 
 		List<String> deleteImageUrls = request.getDeleteImageUrls();
+		if (deleteImageUrls == null) {
+			deleteImageUrls = new ArrayList<>();
+		}
 		int deleteImageSize = deleteImages(itemId, deleteImageUrls);
 		log.debug("이미지 테이블의 삭제 결과 : 삭제 개수={}", deleteImageSize);