diff --git a/app/components/admin/budgets/index_component.rb b/app/components/admin/budgets/index_component.rb
index 1bf411989..58203a206 100644
--- a/app/components/admin/budgets/index_component.rb
+++ b/app/components/admin/budgets/index_component.rb
@@ -19,7 +19,11 @@ class Admin::Budgets::IndexComponent < ApplicationComponent
     end
 
     def current_enabled_phase_number(budget)
-      budget.phases.enabled.order(:id).pluck(:kind).index(budget.phase) + 1
+      current_enabled_phase_index(budget) + 1
+    end
+
+    def current_enabled_phase_index(budget)
+      budget.phases.enabled.order(:id).pluck(:kind).index(budget.phase) || -1
     end
 
     def dates(budget)
diff --git a/spec/components/admin/budgets/index_component_spec.rb b/spec/components/admin/budgets/index_component_spec.rb
new file mode 100644
index 000000000..c6da3183a
--- /dev/null
+++ b/spec/components/admin/budgets/index_component_spec.rb
@@ -0,0 +1,18 @@
+require "rails_helper"
+
+describe Admin::Budgets::IndexComponent, type: :component do
+  before do
+    allow(ViewComponent::Base).to receive(:test_controller).and_return("Admin::BudgetsController")
+    allow_any_instance_of(Admin::BudgetsController).to receive(:valid_filters).and_return(["all"])
+    allow_any_instance_of(Admin::BudgetsController).to receive(:current_filter).and_return("all")
+  end
+
+  it "displays current phase zero for budgets with no current phase" do
+    budget = create(:budget, :accepting, name: "Not enabled phase")
+    budget.phases.accepting.update!(enabled: false)
+
+    render_inline Admin::Budgets::IndexComponent.new(Budget.page(1))
+
+    expect(page.find("tr", text: "Not enabled phase")).to have_content "0/8"
+  end
+end