diff --git a/Tools/msi/msi.py b/Tools/msi/msi.py
index f266fcc..fdc77ce 100644
--- a/Tools/msi/msi.py
+++ b/Tools/msi/msi.py
@@ -168,7 +168,7 @@
     testprefix = ''
 
 if msilib.Win64:
-    SystemFolderName = "[SystemFolder64]"
+    SystemFolderName = "[System64Folder]"
 else:
     SystemFolderName = "[SystemFolder]"