diff --git a/app/api/search_dict/search_schemas.py b/app/api/search_dict/search_schemas.py
index 5b9f753..0ea210d 100644
--- a/app/api/search_dict/search_schemas.py
+++ b/app/api/search_dict/search_schemas.py
@@ -32,7 +32,7 @@ class WordSearchResponse(BaseModel):
     query: str
     pos: list
     contents: Union[List[SearchItemFr], List[SearchItemJp]]
-    hiragana : str
+    hiragana : Optional[str] = None
 
 
 class ProverbSearchResponse(BaseModel):