diff --git a/resources/desktop-picker.ps1 b/resources/desktop-picker.ps1
index 0d0fbf3..de0be03 100644
--- a/resources/desktop-picker.ps1
+++ b/resources/desktop-picker.ps1
@@ -43,8 +43,18 @@ $hl.FormBorderStyle = [System.Windows.Forms.FormBorderStyle]::None
 $hl.TopMost = $true
 $hl.ShowInTaskbar = $false
 $hl.StartPosition = [System.Windows.Forms.FormStartPosition]::Manual
-$hl.BackColor = [System.Drawing.Color]::Red
-$hl.Opacity = 0.35
+$hl.BackColor = [System.Drawing.Color]::Fuchsia
+$hl.TransparencyKey = [System.Drawing.Color]::Fuchsia
+$hl.Add_Paint({
+  param($sender, $e)
+  $pen = New-Object System.Drawing.Pen([System.Drawing.Color]::FromArgb(255, 255, 32, 32), 3)
+  try {
+    $size = $sender.ClientSize
+    $e.Graphics.DrawRectangle($pen, 1, 1, ($size.Width - 3), ($size.Height - 3))
+  } finally {
+    $pen.Dispose()
+  }
+})
 function Set-ClickThrough($form) {
   if ($form.IsHandleCreated) {
     $GWL_EXSTYLE = -20