diff --git a/helpers/auth_guard.py b/helpers/auth_guard.py
index 0a28c3d..900e35e 100644
--- a/helpers/auth_guard.py
+++ b/helpers/auth_guard.py
@@ -12,9 +12,9 @@ def admin_required():
         def decorator(*args, **kwargs):
             verify_jwt_in_request()
             claims = get_jwt()
-            userId = claims["user_id"]
-            isAdmin = RoleService.is_user_admin(userId)
-            if isAdmin:
+            user_id = claims["user_id"]
+            is_admin = RoleService.is_user_admin(user_id)
+            if is_admin:
                 return fn(*args, **kwargs)
             else:
                 raise Unauthorized("You need to have admin permissions.")