diff --git a/backend-node/src/services/dbTypeCategoryService.ts b/backend-node/src/services/dbTypeCategoryService.ts
index 5c70cff1..63496aa8 100644
--- a/backend-node/src/services/dbTypeCategoryService.ts
+++ b/backend-node/src/services/dbTypeCategoryService.ts
@@ -133,7 +133,7 @@ export class DbTypeCategoryService {
 
       return {
         success: true,
-        data: category,
+        data: category || undefined,
         message: "DB 타입 카테고리가 생성되었습니다.",
       };
     } catch (error) {
@@ -190,7 +190,7 @@ export class DbTypeCategoryService {
 
       return {
         success: true,
-        data: category,
+        data: category || undefined,
         message: "DB 타입 카테고리가 수정되었습니다.",
       };
     } catch (error) {