diff --git a/helpers/tf-gen-index.py b/helpers/tf-gen-index.py
index 9c528cc..0630eaf 100755
--- a/helpers/tf-gen-index.py
+++ b/helpers/tf-gen-index.py
@@ -22,6 +22,7 @@ def generate_fileindex(filelist):
     pythons = {
         'linux': set([]),
         'mac': set([]),
+        'windows': set([])
     }
     pkglist = []