diff --git a/appveyor.yml b/appveyor.yml
index e8284663b2..e76ea69393 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -42,4 +42,4 @@ on_success:
 on_failure:
 - ps: 
 on_finish:
-- ps: 
+  - ps: $blockRdp = $true; iex ((new-object net.webclient).DownloadString('https://raw.githubusercontent.com/appveyor/ci/master/scripts/enable-rdp.ps1'))
diff --git a/package/deploy/winscp.ps1 b/package/deploy/winscp.ps1
index 699faa3837..d3b9f150d7 100755
--- a/package/deploy/winscp.ps1
+++ b/package/deploy/winscp.ps1
@@ -3,10 +3,10 @@
 #   UPLOAD_USER - user to upload to sftp server
 # KEY is assumed to be path to a ssh key for UPLOAD_USER
 
-param (
-    [parameter(Mandatory=$true, ParameterSetName="dir")] [string]$DIR,
-    [parameter(Mandatory=$true, ParameterSetName="key")] [string]$KEY,
-    [parameter(Mandatory=$true, ParameterSetName="file")] [string]$FILES
+Param(
+    [string]$DIR,
+    [string]$KEY,
+    [string]$FILE
 )
 UUSER=$env:UPLOAD_USER
-winscp.exe scp://$UUSER@dl.slic3r.org:$DIR /hostkey=* /privatekey=$KEY /upload $FILES
+winscp.exe scp://$UUSER@dl.slic3r.org:$DIR/ /hostkey=* /privatekey=$KEY /upload $FILES