diff --git a/resources/desktop-picker.ps1 b/resources/desktop-picker.ps1
index 7046c2e..cc87d57 100644
--- a/resources/desktop-picker.ps1
+++ b/resources/desktop-picker.ps1
@@ -94,10 +94,10 @@ $prevPgDn = $false
 Write-PickLog "loop start"
 while ($true) {
   try {
-    $space = ([RpaPick.PickW32]::GetAsyncKeyState(32) -band 0x8000) -ne 0
-    $esc = ([RpaPick.PickW32]::GetAsyncKeyState(27) -band 0x8000) -ne 0
-    $pgUp = ([RpaPick.PickW32]::GetAsyncKeyState(33) -band 0x8000) -ne 0
-    $pgDn = ([RpaPick.PickW32]::GetAsyncKeyState(34) -band 0x8000) -ne 0
+    $space = (([RpaPick.PickW32]::GetAsyncKeyState(32) -band 0x8001) -ne 0)
+    $esc = (([RpaPick.PickW32]::GetAsyncKeyState(27) -band 0x8001) -ne 0)
+    $pgUp = (([RpaPick.PickW32]::GetAsyncKeyState(33) -band 0x8001) -ne 0)
+    $pgDn = (([RpaPick.PickW32]::GetAsyncKeyState(34) -band 0x8001) -ne 0)
     if ($esc) { Write-PickLog "esc"; break }
     if ($stage -eq "hover") {
       $ptX = [System.Windows.Forms.Cursor]::Position.X