diff --git a/Tasks/UrlTester/DT3/DT3cs.cs b/Tasks/UrlTester/DT3/DT3cs.cs
index 6afa5df..5ef830d 100644
--- a/Tasks/UrlTester/DT3/DT3cs.cs
+++ b/Tasks/UrlTester/DT3/DT3cs.cs
@@ -34,8 +34,8 @@ namespace DT3 {
             get { return size; }
             set
             {
-                NotifyPropertyChanged();
                 size = value;
+                NotifyPropertyChanged();
             }
         }
 
@@ -43,8 +43,8 @@ namespace DT3 {
             get { return time; }
             set
             {
-                NotifyPropertyChanged();
                 time = value;
+                NotifyPropertyChanged();
             }
         }
 
@@ -52,8 +52,8 @@ namespace DT3 {
             get { return url; }
             set
             {
-                NotifyPropertyChanged();
                 url = value;
+                NotifyPropertyChanged();
             }
         }