diff --git a/app/helpers/global_activities_helper.rb b/app/helpers/global_activities_helper.rb
index b88e632ab..fa98ad583 100644
--- a/app/helpers/global_activities_helper.rb
+++ b/app/helpers/global_activities_helper.rb
@@ -5,30 +5,25 @@ module GlobalActivitiesHelper
   include ActionView::Helpers::UrlHelper
   include InputSanitizeHelper
 
-  def generate_activity_content(activity)
+  def generate_activity_content(activity, no_links = false)
     parameters = {}
     activity.values[:message_items].each do |key, value|
       parameters[key] =
         if value.is_a? String
           value
         else
-          generate_link(value, activity)
+          no_links ? generate_name(value) : generate_link(value, activity)
         end
     end
-    I18n.t("global_activities.content.#{activity.type_of}_html",
-           parameters.symbolize_keys)
+    sanitize_input(I18n.t("global_activities.content.#{activity.type_of}_html",
+                          parameters.symbolize_keys))
   end
 
   def generate_link(message_item, activity)
-    type = message_item[:type]
-    id = message_item[:id]
-    getter = message_item[:getter]
-    value = message_item[:value]
+    obj = message_item[:type].constantize.find_by_id(message_item[:id])
+    return message_item[:value] unless obj
 
-    obj = type.constantize.find_by_id id
-    return value unless obj
-
-    current_value = obj.public_send(getter || 'name')
+    current_value = generate_name(message_item)
     team = activity.team
     path = ''
 
@@ -70,4 +65,10 @@ module GlobalActivitiesHelper
     end
     route_to_other_team(path, obj, current_value)
   end
+
+  def generate_name(message_item)
+    obj = message_item[:type].constantize.find_by_id(message_item[:id])
+    return message_item[:value] unless obj
+    obj.public_send(message_item[:getter] || 'name')
+  end
 end
diff --git a/app/models/activity.rb b/app/models/activity.rb
index 07c4389d8..b0d38f775 100644
--- a/app/models/activity.rb
+++ b/app/models/activity.rb
@@ -90,6 +90,6 @@ class Activity < ApplicationRecord
   end
 
   def activity_version
-    errors.add(:activity, 'wrong combination of associations') if (experiment || my_module) && subject
+    errors.add(:activity, 'wrong combination of associations') if (experiment_id || my_module_id) && subject
   end
 end
diff --git a/app/services/activities_service.rb b/app/services/activities_service.rb
index 3d6534ad0..f496594ba 100644
--- a/app/services/activities_service.rb
+++ b/app/services/activities_service.rb
@@ -76,4 +76,13 @@ class ActivitiesService
 
     subjects.each { |_sub, children| children.uniq! }
   end
+
+  def self.my_module_activities(my_module)
+    subjects_with_children = load_subjects_children(MyModule: [my_module.id])
+    query = Activity.where(project: my_module.experiment.project)
+    query.where(
+      subjects_with_children.map { '(subject_type = ? AND subject_id IN(?))' }.join(' OR '),
+      *subjects_with_children.flatten
+    )
+  end
 end
diff --git a/app/views/my_modules/repository.html.erb b/app/views/my_modules/repository.html.erb
index 904f0491d..1c8c1e75e 100644
--- a/app/views/my_modules/repository.html.erb
+++ b/app/views/my_modules/repository.html.erb
@@ -5,7 +5,7 @@
 <% provide(:head_title, t("my_modules.repository.head_title",
                           project: h(@project.name),
                           module: h(@my_module.name),
-                          repository: @repository.name).html_safe) %>
+                          repository: h(@repository.name)).html_safe) %>
 <%= render partial: "shared/sidebar", locals: { current_task: @my_module, page: 'task' } %>
 <%= render partial: "shared/secondary_navigation" %>
 
diff --git a/app/views/reports/elements/_my_module_activity_element.html.erb b/app/views/reports/elements/_my_module_activity_element.html.erb
index 22192e36c..25b845d03 100644
--- a/app/views/reports/elements/_my_module_activity_element.html.erb
+++ b/app/views/reports/elements/_my_module_activity_element.html.erb
@@ -1,7 +1,7 @@
 <% if my_module.blank? and @my_module.present? then my_module = @my_module end %>
 <% if order.blank? and @order.present? then order = @order end %>
 <% timestamp = Time.current + 1.year - 2.days %>
-<% activities = my_module.activities.order(created_at: order) %>
+<% activities = ActivitiesService.my_module_activities(my_module).order(created_at: order) %>
 <div class="report-element report-module-activity-element" data-ts="<%= timestamp.to_i %>" data-type="my_module_activity" data-id='{ "my_module_id": <%= my_module.id %> }' data-scroll-id="<%= my_module.id %>" data-order="<%= order == :asc ? "asc" : "desc" %>" data-name="<%=t "projects.reports.elements.module_activity.sidebar_name" %>" data-icon-class="fas fa-list">
   <div class="report-element-header">
     <div class="row">
@@ -30,7 +30,11 @@
                 </span>
                 <span class="activity-message">
                   &nbsp;
-                  <%= sanitize_input(activity.message) %>
+                  <% if activity.old_activity?  %>
+                    <%= sanitize_input(activity.message) %>
+                  <% else %>
+                    <%= sanitize_input(generate_activity_content(activity, true)) %>
+                  <% end %>
                 </span>
               </li>
             <% end %>