diff --git a/app/views/budgets/investments/_header.html.erb b/app/views/budgets/investments/_header.html.erb
index b315f4ac1..2ed01d989 100644
--- a/app/views/budgets/investments/_header.html.erb
+++ b/app/views/budgets/investments/_header.html.erb
@@ -40,7 +40,7 @@
                   <%= t("budgets.investments.header.different_heading_assigned_html",
                         heading_link: link_to(
                           @assigned_heading.name,
-                          budget_investments_path(@budget, heading: @assigned_heading))
+                          budget_investments_path(@budget, heading_id: @assigned_heading.try(:id)))
                        ) %>
                 </div>
               </div>
diff --git a/spec/features/budgets/ballots_spec.rb b/spec/features/budgets/ballots_spec.rb
index c80ec55f4..50670079c 100644
--- a/spec/features/budgets/ballots_spec.rb
+++ b/spec/features/budgets/ballots_spec.rb
@@ -297,7 +297,7 @@ feature 'Ballots' do
 
       expect(page).to_not have_css "#progressbar"
       expect(page).to have_content "You have active votes in another heading:"
-      expect(page).to have_link california.name, href: budget_investments_path(budget, heading: california)
+      expect(page).to have_link california.name, href: budget_investments_path(budget, heading_id: california)
     end
 
   end