diff --git a/backend/src/api/Controllers/TodoController.cs b/backend/src/api/Controllers/TodoController.cs
index e3a1d53..b047ccb 100644
--- a/backend/src/api/Controllers/TodoController.cs
+++ b/backend/src/api/Controllers/TodoController.cs
@@ -34,7 +34,7 @@ public IActionResult GetList([FromRoute] int id)
         return list switch
         {
             null => NotFound(),
-            var user => Ok(list),
+            var l => Ok(l),
         };
     }
 
diff --git a/backend/src/api/Filters/UserIdFilter.cs b/backend/src/api/Filters/UserIdFilter.cs
index d7b8bbb..d7b5506 100644
--- a/backend/src/api/Filters/UserIdFilter.cs
+++ b/backend/src/api/Filters/UserIdFilter.cs
@@ -3,6 +3,7 @@
 
 namespace api.Filters;
 
+[AttributeUsage(AttributeTargets.Class | AttributeTargets.Method)]
 public class UserIdFilter : Attribute, IAuthorizationFilter
 {
     public void OnAuthorization(AuthorizationFilterContext context)