diff --git a/lib/code0/zero_track/logs/json_formatter.rb b/lib/code0/zero_track/logs/json_formatter.rb
index 55ecb8e..6f6621c 100644
--- a/lib/code0/zero_track/logs/json_formatter.rb
+++ b/lib/code0/zero_track/logs/json_formatter.rb
@@ -43,6 +43,10 @@ def clear; end
           def format_message(message)
             message
           end
+
+          def tags
+            []
+          end
         end
 
         class Tagged < JsonFormatter