1 files changed, 1 insertions, 1 deletions
diff --git a/stats.py b/stats.py
index c77eb6b..cb8ceb9 100755
--- a/stats.py
+++ b/stats.py
@@ -84,7 +84,7 @@ def main():
 
     md = Maildir(args.location)
     for folder in md.list_folders():
-        if 'exclude_folders' in args:
+        if args.exclude_folders is not None:
             if re.match(args.exclude_folders, folder):
                 log_line('Skipping %s' % folder)
                 continue