diff --git a/src/VisualStudio/Core/Def/Implementation/ChangeSignature/ChangeSignatureDialog.xaml b/src/VisualStudio/Core/Def/Implementation/ChangeSignature/ChangeSignatureDialog.xaml
index dd61a60ab243866aa985e5cd860655ca702326e3..c4b876768efe6a8de3e402b25899a44357c01a24 100644
--- a/src/VisualStudio/Core/Def/Implementation/ChangeSignature/ChangeSignatureDialog.xaml
+++ b/src/VisualStudio/Core/Def/Implementation/ChangeSignature/ChangeSignatureDialog.xaml
@@ -203,7 +203,7 @@
                             </Style>
                         </DataGridTextColumn.ElementStyle>
                     </DataGridTextColumn>
-                    <DataGridTextColumn x:Name="parameterHeader" Binding="{Binding Parameter, Mode=OneWay}" IsReadOnly="True">
+                    <DataGridTextColumn x:Name="parameterHeader" Binding="{Binding ParameterName, Mode=OneWay}" IsReadOnly="True">
                         <DataGridTextColumn.ElementStyle>
                             <Style TargetType="TextBlock">
                                 <Setter Property="Padding" Value="{StaticResource ResourceKey=cellPadding}" />