diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 2f88121f8..bb03214ad 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -31,8 +31,16 @@ FILE(WRITE ${CMAKE_CURRENT_BINARY_DIR}/test_helper.ps1
 "$PSDefaultParameterValues['*:Encoding'] = 'ascii'\n"
 "if (Test-Path $args[2]) { Remove-Item -Force $args[2] } \n"
 "$ErrorActionPreference = \"Stop\"\n"
-"$encod = [System.Text.Encoding]::GetEncoding(1252)\n"
-"Get-Content $args[1] -Encoding $encod| & $args[0]\n"
+"$iswinps = ($null, 'Desktop') -contains $PSVersionTable.PSEdition\n"
+"if (!$iswinps)\n"
+" {\n"
+"   $encoding = [System.Text.Encoding]::GetEncoding(1252)\n"
+" }\n"
+"  else\n"
+" {\n"
+"   $encoding = [Microsoft.PowerShell.Commands.FileSystemCmdletProviderEncoding]::Default\n"
+" }\n"
+"Get-Content $args[1] -Encoding $encoding| & $args[0]\n"
 "If ((Get-Content $args[2] | %{$_ -match \"FATAL\"}) -contains $true) {\n"
 "echo Error\n"
 "exit 1\n"