diff --git a/inbox.graphql b/inbox.graphql
index 5aee52b..04e8b6e 100644
--- a/inbox.graphql
+++ b/inbox.graphql
@@ -57,7 +57,7 @@ type Mutation {
 }
 
 input MessagesBy {
-    author: String
+    created_by: String
     body: String
     chat: String
     order: String
@@ -77,7 +77,7 @@ type Query {
 
 type Message {
     id: Int!
-    author: Int!
+    created_by: Int!
     created_at: Int!
     chat_id: String!
     body: String!
diff --git a/resolvers/messages.py b/resolvers/messages.py
index d6566eb..eed20f3 100644
--- a/resolvers/messages.py
+++ b/resolvers/messages.py
@@ -34,7 +34,7 @@ async def create_message(_, info, chat_id: str, body: str, reply_to=None):
         new_message: Message = {
             "chat_id": chat_id,
             "id": message_id,
-            "author": author_id,
+            "created_by": author_id,
             "body": body,
             "created_at": int(datetime.now(tz=timezone.utc).timestamp()),
             "updated_at": None,
@@ -96,7 +96,7 @@ async def update_message(_, info, message):
             return {"error": "message  not exist"}
 
         message = json.loads(message)
-        if message["author"] != author_id:
+        if message["created_by"] != author_id:
             return {"error": "access denied"}
 
         if body:
diff --git a/validators/message.py b/validators/message.py
index 0b3eace..2e44d42 100644
--- a/validators/message.py
+++ b/validators/message.py
@@ -4,7 +4,7 @@ from typing import TypedDict, Optional
 class Message(TypedDict):
     id: int
     chat_id: str
-    author: int
+    created_by: int
     body: str
     created_at: int
     reply_to: Optional[int]