diff --git a/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/SelectableViewModelBase.cs b/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/SelectableViewModelBase.cs
index 49fefb9..12e1966 100644
--- a/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/SelectableViewModelBase.cs
+++ b/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/SelectableViewModelBase.cs
@@ -483,7 +483,7 @@ namespace AIStudio.Wpf.DiagramDesigner
 
         protected virtual void Item_PropertyChanged(object sender, PropertyChangedEventArgs e)
         {
-            if (IsLoaded == false || IsInternalChanged == true) { return; }
+            if (IsLoaded == false || IsInternalChanged == true) { return; }  
         }
 
         protected void FontViewModel_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)