diff --git a/plugins/provisioners/salt/bootstrap-salt.ps1 b/plugins/provisioners/salt/bootstrap-salt.ps1
index 1b6d1f6ab..75dcc9462 100644
--- a/plugins/provisioners/salt/bootstrap-salt.ps1
+++ b/plugins/provisioners/salt/bootstrap-salt.ps1
@@ -15,7 +15,7 @@ if (Test-Path C:\tmp\minion.pem) {
 
 # Detect architecture
 if ([IntPtr]::Size -eq 4) {
-  $arch = "win32"
+  $arch = "x86"
 } else {
   $arch = "AMD64"
 }