diff --git a/services/core.py b/services/core.py
index 0b3d366..bac740e 100644
--- a/services/core.py
+++ b/services/core.py
@@ -9,7 +9,7 @@ headers = {"Content-Type": "application/json"}
 
 async def get_author(author_id):
     gql = {
-        "query": "query GetAuthorById { getAuthorById(author_id: $author_id) { id slug userpic name lastSeen } }",
+        "query": "query GetAuthorById($author_id: Int!) { getAuthorById(author_id: $author_id) { id slug userpic name lastSeen } }",
         "operation": "GetAuthorById",
         "variables": {"author_id": author_id}
     }
@@ -28,7 +28,7 @@ async def get_author(author_id):
 
 async def get_network(author_id:int, limit:int = 50, offset:int = 0) -> list:
     gql = {
-        "query": "query LoadAuthors { authorFollowings(author_id: $author_id, limit: $limit, offset: $offset) { id slug userpic name } }",
+        "query": "query LoadAuthors($author_id: Int!, $limit: Int, $offset: Int) { authorFollowings(author_id: $author_id, limit: $limit, offset: $offset) { id slug userpic name } }",
         "operation": "LoadAuthors",
         "variables": {
             "author_id": author_id,
@@ -59,7 +59,7 @@ async def get_network(author_id:int, limit:int = 50, offset:int = 0) -> list:
 
 async def get_followers(author_id, amount):
     gql = {
-        "query": "query LoadAuthors { authorFollowers(author_id: $author_id, limit: $limit) { id slug userpic name } }",
+        "query": "query LoadAuthors($author_id: Int!, $limit: Int, $offset: Int) { authorFollowers(author_id: $author_id, limit: $limit) { id slug userpic name } }",
         "operation": "LoadAuthors",
         "variables": {
             "author_id": author_id,