diff --git a/protocols/Factorio.py b/protocols/Factorio.py
index b5de299..161925e 100644
--- a/protocols/Factorio.py
+++ b/protocols/Factorio.py
@@ -62,7 +62,7 @@ def _upsert_bulk_write(self, server_list: list):
         # Prepare the updates
         updates = [
             UpdateOne(
-                {'host_address': server_list['host_address']},
+                {'host_address': server['host_address']},
                 {
                     '$set': server,
                     '$currentDate': {'_last_modified': True},