diff --git a/app/models/user/day_timeline/column.rb b/app/models/user/day_timeline/column.rb
index 0331a83ff..ce87873fa 100644
--- a/app/models/user/day_timeline/column.rb
+++ b/app/models/user/day_timeline/column.rb
@@ -17,6 +17,15 @@ class User::DayTimeline::Column
     safe_join(parts, " ")
   end
 
+  def base_title_for_route
+    case base_title
+    when "Done"
+      "closed"
+    else
+      base_title.downcase
+    end
+  end
+
   def events_by_hour
     limited_events.group_by { it.created_at.hour }
   end
diff --git a/app/views/events/day_timeline/_column.html.erb b/app/views/events/day_timeline/_column.html.erb
index 23bf7e34e..509efd69d 100644
--- a/app/views/events/day_timeline/_column.html.erb
+++ b/app/views/events/day_timeline/_column.html.erb
@@ -3,7 +3,7 @@
     <%= column.title %>
 
     <% if column.events_by_hour.any? %>
-      <%= link_to events_day_timeline_column_path(id: column.base_title.downcase, day: column.day_timeline.day.to_date), class: "events__maximize-button btn btn--circle txt-x-small borderless", data: { turbo_frame: "_top" } do %>
+      <%= link_to events_day_timeline_column_path(id: column.base_title_for_route, day: column.day_timeline.day.to_date), class: "events__maximize-button btn btn--circle txt-x-small borderless", data: { turbo_frame: "_top" } do %>
         <%= icon_tag "grid", class: "translucent" %>
         <span class="for-screen-reader">Expand column</span>
       <% end %>