diff --git a/ComputerStoreDatabaseImplement/Models/PC.cs b/ComputerStoreDatabaseImplement/Models/PC.cs
index 704c246..3714977 100644
--- a/ComputerStoreDatabaseImplement/Models/PC.cs
+++ b/ComputerStoreDatabaseImplement/Models/PC.cs
@@ -93,7 +93,7 @@ namespace ComputerStoreDatabaseImplement.Models
                     context.SaveChanges();
                 }
                
-                foreach(var updateComponent  in pcComponents)
+                foreach(var updateComponent  in pcComponents.Where(x => model.PCComponents.ContainsKey(x.ComponentID) && x.RequestID == model.RequestID))
                 {
                     updateComponent.Count = model.PCComponents[updateComponent.ComponentID].Item2;
                     model.PCComponents.Remove(updateComponent.ComponentID);