diff --git a/assets/javascripts/discourse-assign/initializers/extend-for-assigns.js.es6 b/assets/javascripts/discourse-assign/initializers/extend-for-assigns.js.es6
index 1554508..6335988 100644
--- a/assets/javascripts/discourse-assign/initializers/extend-for-assigns.js.es6
+++ b/assets/javascripts/discourse-assign/initializers/extend-for-assigns.js.es6
@@ -143,6 +143,18 @@ function initialize(api) {
     }
   });
 
+  api.modifyClass("model:bookmark", {
+    @computed("assigned_to_user")
+    assignedToUserPath(assignedToUser) {
+      return Discourse.getURL(
+        this.siteSettings.assigns_user_url_path.replace(
+          "{username}",
+          assignedToUser.username
+        )
+      );
+    }
+  });
+
   api.addPostSmallActionIcon("assigned", "user-plus");
   api.addPostSmallActionIcon("unassigned", "user-times");
 
diff --git a/plugin.rb b/plugin.rb
index 1fbfa47..bf31217 100644
--- a/plugin.rb
+++ b/plugin.rb
@@ -238,6 +238,25 @@ after_initialize do
     end
   end
 
+  if defined? UserBookmarkSerializer
+    add_to_class(:user_bookmark_serializer, :assigned_to_user_id) do
+      id = object.topic.custom_fields[TopicAssigner::ASSIGNED_TO_ID]
+      # a bit messy but race conditions can give us an array here, avoid
+      id && id.to_i rescue nil
+    end
+
+    add_to_serializer(:user_bookmark, :assigned_to_user, false) do
+      DiscourseAssign::Helpers.build_assigned_to_user(assigned_to_user_id, object.topic)
+    end
+
+    add_to_serializer(:user_bookmark, 'include_assigned_to_user?') do
+      if SiteSetting.assigns_public || scope.can_assign?
+        # subtle but need to catch cases where stuff is not assigned
+        object.topic.custom_fields.keys.include?(TopicAssigner::ASSIGNED_TO_ID)
+      end
+    end
+  end
+
   add_to_serializer(:current_user, :can_assign) do
     object.can_assign?
   end