diff --git a/winutil-test.ps1 b/winutil-test.ps1
index a8f5209c..63c64483 100644
--- a/winutil-test.ps1
+++ b/winutil-test.ps1
@@ -5,6 +5,11 @@
    Version 0.0.1
 #>
 
+if ($IsLinux){ # PowerShell on Linux has that read-only bool variable set to $true
+   Write-Host "This utility is exclusively designed for Windows"
+   return
+}
+
 #region Variables
     $global:sync = [Hashtable]::Synchronized(@{})
 
@@ -1321,4 +1326,4 @@ If($env:args){
 }
 
 # Create Form
-$global:sync["Form"].ShowDialog() | out-null
\ No newline at end of file
+$global:sync["Form"].ShowDialog() | out-null