diff --git a/EgtBEAMWALL.ViewerOptimizer/BTLParam/PartListV.xaml b/EgtBEAMWALL.ViewerOptimizer/BTLParam/PartListV.xaml
index 0969b7fc..e43a1228 100644
--- a/EgtBEAMWALL.ViewerOptimizer/BTLParam/PartListV.xaml
+++ b/EgtBEAMWALL.ViewerOptimizer/BTLParam/PartListV.xaml
@@ -38,7 +38,7 @@
                   <Border BorderBrush="{Binding Calc_BorderBrush}"
                           BorderThickness="2"
                           Padding="1">
-                     <ItemsControl ItemsSource="{Binding FeatureList}">
+                     <ItemsControl ItemsSource="{Binding BTLFeatureVMList}">
                         <ItemsControl.ItemsPanel>
                            <ItemsPanelTemplate>
                               <UniformGrid Columns="6" Rows="5"/>