diff --git a/app/services/case.py b/app/services/case.py
index c041936..dc65d76 100644
--- a/app/services/case.py
+++ b/app/services/case.py
@@ -58,7 +58,8 @@ class CaseService:
         ]
 
     async def get_case(self, case_id: str):
-        case = await cases_collection.find_one({"id": case_id})
+        # проекция {"_id": 0} говорит Mongo не возвращать поле _id
+        case = await cases_collection.find_one({"id": case_id}, {"_id": 0})
         if not case:
             raise HTTPException(status_code=404, detail="Кейс не найден")
         return case