diff --git a/app/controllers/global_activities_controller.rb b/app/controllers/global_activities_controller.rb
index dfe5b5adf..f9230e485 100644
--- a/app/controllers/global_activities_controller.rb
+++ b/app/controllers/global_activities_controller.rb
@@ -145,6 +145,7 @@ class GlobalActivitiesController < ApplicationController
                      .order(name: :asc)
 
     selected_subject = subject_search_params[:subjects]
+    matched = matched.where(my_module: nil) if subject == Protocol
     matched = matched.where(project_id: selected_subject['Project']) if subject == Experiment
     matched = matched.where(experiment_id: selected_subject['Experiment']) if subject == MyModule
     matched = matched.where(repository_id: selected_subject['RepositoryBase']) if subject == RepositoryRow