diff --git a/lib/active_scaffold/helpers/controller_helpers.rb b/lib/active_scaffold/helpers/controller_helpers.rb
index <HASH>..<HASH> 100644
--- a/lib/active_scaffold/helpers/controller_helpers.rb
+++ b/lib/active_scaffold/helpers/controller_helpers.rb
@@ -33,6 +33,8 @@ module ActiveScaffold
         parameters[:parent_id] = nil
         parameters[:action] = "index"
         parameters[:id] = nil
+        parameters[:associated_id] = nil
+        parameters[:utf8] = nil
         params_for(parameters)
       end
     end
Bugfix: reset some more parameters when going back to main