diff --git a/tagserver.py b/tagserver.py
index 2e90887..6be1a49 100644
--- a/tagserver.py
+++ b/tagserver.py
@@ -22,6 +22,7 @@ tag_store = {}
 
 
 def main():
+    global web_address, scan_rate, save_all, tag_store
     try:
         # Get tags stored in database
         get_tag_request_data = {'where': '{"tag_class": 5}'}