diff --git a/package/win/package_win32.ps1 b/package/win/package_win32.ps1
index a21ebf74e..64e1708ce 100644
--- a/package/win/package_win32.ps1
+++ b/package/win/package_win32.ps1
@@ -31,7 +31,7 @@ git branch | foreach {
 
 # Use absolute paths because apparently the zip calls below do
 if ($env:APPVEYOR) {
-    $output_dir = "${pwd}\..\..\Slic3r-${current_branch}.${current_date}.${env:APPVEYOR_BUILD_NUMBER}.$(git rev-parse --short HEAD)"
+    $output_dir = "${pwd}\..\..\Slic3r-${current_branch}.${current_date}.${env:APPVEYOR_BUILD_NUMBER}.$(git rev-parse --short HEAD).${env:ARCH}"
 } else {
     $output_dir = "${pwd}\..\..\Slic3r-${current_branch}.${current_date}.$(git rev-parse --short HEAD)"
 }