diff --git a/scripts/Windows/OS/Install.ps1 b/scripts/Windows/OS/Install.ps1
index cba3c220..4285ef7a 100644
--- a/scripts/Windows/OS/Install.ps1
+++ b/scripts/Windows/OS/Install.ps1
@@ -62,7 +62,7 @@ $null = New-Module {
                     return;
                 }
     
-                if (Test-Path $env:PWSH_PATH) {
+                if ($env:PWSH_PATH -and (Test-Path $env:PWSH_PATH)) {
                     attrib "-R" "$env:PWSH_PATH\*" /S /D;
                     Remove-Item -Recurse -Force $env:PWSH_PATH;
                     continue;