diff --git a/.ci/appveyor-vpntest.ps1 b/.ci/appveyor-vpntest.ps1
index d27d5c1f..60177c2b 100644
--- a/.ci/appveyor-vpntest.ps1
+++ b/.ci/appveyor-vpntest.ps1
@@ -6,9 +6,11 @@ $ErrorActionPreference = 'Stop'
 	[String] $mode = $_
 	Write-Host "testing: $mode"
 
-	$t = (Write-Output "q\n" | & .\build\vpntest.exe $mode | Select-String -Pattern 'NO MEMORY LEAKS' -CaseSensitive)
+	$full = (Write-Output "q\n" | & .\build\vpntest.exe $mode)
+	$t = ($full | Select-String -Pattern 'NO MEMORY LEAKS' -CaseSensitive)
 
 	if( ($t).Count -ne 1){
+		$full
 		Write-Error 'failed'
 		return $false
 	}else{