diff --git a/Marco.Pms.Services/Controllers/TaskController.cs b/Marco.Pms.Services/Controllers/TaskController.cs
index 618c84a..5c31320 100644
--- a/Marco.Pms.Services/Controllers/TaskController.cs
+++ b/Marco.Pms.Services/Controllers/TaskController.cs
@@ -457,7 +457,7 @@ namespace MarcoBMS.Services.Controllers
                             t.WorkItem.WorkArea != null &&
                             t.WorkItem.WorkArea.Floor != null &&
                             t.WorkItem.WorkArea.Floor.Building != null &&
-                            t.WorkItem.WorkArea.Floor.Building.ProjectId != projectId &&
+                            t.WorkItem.WorkArea.Floor.Building.ProjectId == projectId &&
                             t.TenantId == tenantId);
 
             var taskFilter = TryDeserializeFilter(filter);