diff --git a/app/controllers/collections_controller.rb b/app/controllers/collections_controller.rb
index cd8b69cbd..1fd336ce9 100644
--- a/app/controllers/collections_controller.rb
+++ b/app/controllers/collections_controller.rb
@@ -9,7 +9,7 @@ class CollectionsController < ApplicationController
 
   def show
     if @filter.used?(ignore_collections: true)
-      show_filtered_events
+      show_filtered_cards
     else
       show_columns
     end
@@ -45,7 +45,7 @@ class CollectionsController < ApplicationController
       @collection = Current.user.collections.find params[:id]
     end
 
-    def show_filtered_events
+    def show_filtered_cards
       @filter.collection_ids = [ @collection.id ]
       set_page_and_extract_portion_from @filter.cards
     end
diff --git a/app/helpers/collections_helper.rb b/app/helpers/collections_helper.rb
index 1cb9d8a17..3342cb480 100644
--- a/app/helpers/collections_helper.rb
+++ b/app/helpers/collections_helper.rb
@@ -12,8 +12,4 @@ module CollectionsHelper
       icon_tag("settings") + tag.span("Settings for #{collection.name}", class: "for-screen-reader")
     end
   end
-
-  def referenced_collections_from(records)
-    Current.user.collections.where id: records.pluck(:collection_id).uniq
-  end
 end
diff --git a/app/javascript/controllers/multi_selection_combobox_controller.js b/app/javascript/controllers/multi_selection_combobox_controller.js
index 80d7f0826..40f7c3459 100644
--- a/app/javascript/controllers/multi_selection_combobox_controller.js
+++ b/app/javascript/controllers/multi_selection_combobox_controller.js
@@ -13,8 +13,7 @@ export default class extends Controller {
   }
 
   connect() {
-    this.labelTarget.textContent = this.#selectedLabel
-    this.#updateHiddenFields()
+    this.refresh()
   }
 
   change(event) {
@@ -24,6 +23,10 @@ export default class extends Controller {
     }
   }
 
+  refresh() {
+    this.labelTarget.textContent = this.#selectedLabel
+    this.#updateHiddenFields()
+  }
 
   clear(event) {
     this.#deselectAll()
diff --git a/app/models/collection/broadcastable.rb b/app/models/collection/broadcastable.rb
index f8ac71f83..e44adc0ac 100644
--- a/app/models/collection/broadcastable.rb
+++ b/app/models/collection/broadcastable.rb
@@ -3,5 +3,6 @@ module Collection::Broadcastable
 
   included do
     broadcasts_refreshes
+    broadcasts_refreshes_to ->(_) { :all_collections }
   end
 end
diff --git a/app/views/cards/_broadcasts.html.erb b/app/views/cards/_broadcasts.html.erb
index d2404ae68..e3a285f05 100644
--- a/app/views/cards/_broadcasts.html.erb
+++ b/app/views/cards/_broadcasts.html.erb
@@ -1,3 +1,7 @@
-<% referenced_collections_from(records).each do |collection| %>
-  <%= turbo_stream_from collection %>
+<% if filter.collections.any? %>
+  <% filter.collections.each do |collection| %>
+    <%= turbo_stream_from collection %>
+  <% end %>
+<% else %>
+  <%= turbo_stream_from :all_collections %>
 <% end %>
diff --git a/app/views/cards/index.html.erb b/app/views/cards/index.html.erb
index 35a2b3891..21045e866 100644
--- a/app/views/cards/index.html.erb
+++ b/app/views/cards/index.html.erb
@@ -1,7 +1,7 @@
 <% @page_title = @user_filtering.selected_collections_label %>
 <% turbo_exempts_page_from_cache %>
 
-<%= render "cards/broadcasts", records: @page.records %>
+<%= render "cards/broadcasts", filter: @filter %>
 
 <% content_for :header do %>
   <h1 class="header__title divider divider--fade full-width">
diff --git a/app/views/events/index.html.erb b/app/views/events/index.html.erb
index bf942572d..4bdc6b8c7 100644
--- a/app/views/events/index.html.erb
+++ b/app/views/events/index.html.erb
@@ -1,7 +1,7 @@
 <% @page_title = "Home" %>
 <% @header_class = "header--events" %>
 
-<%= render "cards/broadcasts", records: @day_timeline.events %>
+<%= render "cards/broadcasts", filter: @filter %>
 
 <% content_for :header do %>
   <%= render "events/index/add_card_button", user_filtering: @user_filtering %>
diff --git a/app/views/events/index/_filter.html.erb b/app/views/events/index/_filter.html.erb
index 7958282d3..12b766977 100644
--- a/app/views/events/index/_filter.html.erb
+++ b/app/views/events/index/_filter.html.erb
@@ -6,7 +6,7 @@
   <%= tag.div class: "flex-inline position-relative quick-filter",
         data: {
           controller: "dialog multi-selection-combobox",
-          action: "keydown.esc->dialog#close click@document->dialog#closeOnClickOutside",
+          action: "keydown.esc->dialog#close click@document->dialog#closeOnClickOutside turbo:morph@window->multi-selection-combobox#refresh",
           filter_show: user_filtering.show_collections?,
           multi_selection_combobox_no_selection_label_value: user_filtering.selected_collections_label } do %>
         <button type="button" class="btn borderless btn--plain events__filter-select" data-action="click->dialog#toggle:stop">