diff --git a/windows/cygwin.ps1 b/windows/cygwin.ps1
index b8e3057d..21c1f965 100755
--- a/windows/cygwin.ps1
+++ b/windows/cygwin.ps1
@@ -52,7 +52,7 @@ try {
 	& $GPG --version
 	Write-Host "Listing keys in ${PSScriptRoot}\cygwin.gpg"
 	Get-ChildItem -Force "${PSScriptRoot}\cygwin.gpg"
-	& $GPG --quiet --no-default-keyring `
+	& $GPG --debug-all --no-default-keyring `
 	    --keyring ${PSScriptRoot}\cygwin.gpg `
 	    --list-keys
 	Write-Host "... ok?"