diff --git a/hack/ci/windows.ps1 b/hack/ci/windows.ps1
index faaad162d8..8dc30e368d 100644
--- a/hack/ci/windows.ps1
+++ b/hack/ci/windows.ps1
@@ -15,6 +15,11 @@ if ($env:BUILD_TAG -match "-LoW") { $env:LCOW_MODE=1 }
 if ($env:BUILD_TAG -match "-WoW") { $env:LCOW_MODE="" }
 
 
+Write-Host -ForegroundColor Red "DEBUG: print all environment variables to check how Jenkins runs this script"
+$allArgs = [Environment]::GetCommandLineArgs()
+Write-Host -ForegroundColor Red $allArgs
+Write-Host -ForegroundColor Red "----------------------------------------------------------------------------"
+
 # -------------------------------------------------------------------------------------------
 # When executed, we rely on four variables being set in the environment:
 #