diff --git a/scripts/main.ps1 b/scripts/main.ps1
index fe12165a..af041731 100644
--- a/scripts/main.ps1
+++ b/scripts/main.ps1
@@ -303,8 +303,8 @@ $sync["Form"].Add_MouseLeftButtonDown({
 })
 
 $sync["Form"].Add_MouseDoubleClick({
-    if ($_.OriginalSource -is [System.Windows.Controls.Grid] -or
-        $_.OriginalSource -is [System.Windows.Controls.StackPanel]) {
+    if ($_.OriginalSource.Name -eq "NavDockPanel" -OR
+        $_.OriginalSource.Name -eq "GridBesideNavDockPanel") {
             if ($sync["Form"].WindowState -eq [Windows.WindowState]::Normal) {
                 $sync["Form"].WindowState = [Windows.WindowState]::Maximized
             }
diff --git a/xaml/inputXML.xaml b/xaml/inputXML.xaml
index 63a41af5..75f9b677 100644
--- a/xaml/inputXML.xaml
+++ b/xaml/inputXML.xaml
@@ -851,7 +851,7 @@
         <Grid.ColumnDefinitions>
             <ColumnDefinition Width="*"/>
         </Grid.ColumnDefinitions>
-        <DockPanel HorizontalAlignment="Stretch" Background="{DynamicResource MainBackgroundColor}" SnapsToDevicePixels="True" Grid.Row="0" Width="Auto">
+        <DockPanel Name="NavDockPanel" HorizontalAlignment="Stretch" Background="{DynamicResource MainBackgroundColor}" SnapsToDevicePixels="True" Grid.Row="0" Width="Auto">
             <StackPanel Name="NavLogoPanel" Orientation="Horizontal" HorizontalAlignment="Left" Background="{DynamicResource MainBackgroundColor}" SnapsToDevicePixels="True" Margin="10,0,20,0">
             </StackPanel>
             <ToggleButton Margin="0,0,5,0" HorizontalAlignment="Left" Height="{DynamicResource TabButtonHeight}" Width="{DynamicResource TabButtonWidth}"
@@ -894,7 +894,7 @@
                     </TextBlock>
                 </ToggleButton.Content>
             </ToggleButton>
-            <Grid Background="{DynamicResource MainBackgroundColor}" ShowGridLines="False" Width="Auto" Height="Auto" HorizontalAlignment="Stretch">
+            <Grid Name="GridBesideNavDockPanel" Background="{DynamicResource MainBackgroundColor}" ShowGridLines="False" Width="Auto" Height="Auto" HorizontalAlignment="Stretch">
                 <Grid.ColumnDefinitions>
                     <ColumnDefinition Width="*"/> <!-- Main content area -->
                     <ColumnDefinition Width="Auto"/><!-- Space for options button -->