diff --git a/windows/cygwin.ps1 b/windows/cygwin.ps1
index 305922cd..ce4aa04c 100755
--- a/windows/cygwin.ps1
+++ b/windows/cygwin.ps1
@@ -53,7 +53,7 @@ try {
 	Write-Host "Listing keys in ${PSScriptRoot}\cygwin.gpg"
 	Get-ChildItem -Force "${PSScriptRoot}\cygwin.gpg"
 	& $GPG -vvvvv --debug-all --no-default-keyring `
-	    --keyring "${PSScriptRoot}\cygwin.gpg" `
+	    --keyring "gnupg-ring:${PSScriptRoot}\cygwin.gpg" `
 	    --list-keys
 	Write-Host "... ok?"
 	& $GPG --quiet --no-default-keyring `