diff --git a/decidim-conferences/app/controllers/decidim/conferences/registration_types_controller.rb b/decidim-conferences/app/controllers/decidim/conferences/registration_types_controller.rb
index ba86d4e85a44..a12c4ecaa1ab 100644
--- a/decidim-conferences/app/controllers/decidim/conferences/registration_types_controller.rb
+++ b/decidim-conferences/app/controllers/decidim/conferences/registration_types_controller.rb
@@ -8,7 +8,7 @@ class RegistrationTypesController < Decidim::Conferences::ApplicationController
       helper_method :collection, :conference
 
       def index
-        raise ActionController::RoutingError, "No registration types for this conference " if registration_types.empty? && current_participatory_space.registrations_enabled.empty?
+        raise ActionController::RoutingError, "No registration types for this conference " if registration_types.empty? && current_participatory_space.registrations_enabled
 
         enforce_permission_to :list, :registration_types
       end
diff --git a/decidim-conferences/app/models/decidim/conference.rb b/decidim-conferences/app/models/decidim/conference.rb
index 1133c5c18dc7..936ceefa7262 100644
--- a/decidim-conferences/app/models/decidim/conference.rb
+++ b/decidim-conferences/app/models/decidim/conference.rb
@@ -113,6 +113,12 @@ def has_available_slots?
       available_slots > conference_registrations.count
     end
 
+    def has_published_registration_types?
+      return false if registration_types.empty?
+
+      registration_types.any?(&:published_at?)
+    end
+
     def remaining_slots
       available_slots - conference_registrations.count
     end
diff --git a/decidim-conferences/app/views/decidim/conferences/conferences/_conference_hero.html.erb b/decidim-conferences/app/views/decidim/conferences/conferences/_conference_hero.html.erb
index e939ee53bad1..a974d508e2ee 100644
--- a/decidim-conferences/app/views/decidim/conferences/conferences/_conference_hero.html.erb
+++ b/decidim-conferences/app/views/decidim/conferences/conferences/_conference_hero.html.erb
@@ -19,7 +19,7 @@
       <% if current_participatory_space.registrations_enabled? %>
         <% if current_participatory_space.has_registration_for?(current_user) %>
           <%= link_to t("layouts.decidim.conference_hero.manage_registration"), decidim_conferences.conference_registration_types_path(current_participatory_space), class: "button button__lg button__primary" %>
-        <% else %>
+        <% elsif current_participatory_space.has_published_registration_types? %>
           <%= link_to t("layouts.decidim.conference_hero.register"), decidim_conferences.conference_registration_types_path(current_participatory_space), class: "button button__lg button__secondary" %>
         <% end %>
       <% end %>
diff --git a/decidim-conferences/app/views/decidim/conferences/conferences/show.html.erb b/decidim-conferences/app/views/decidim/conferences/conferences/show.html.erb
index bf297f427de7..b84671c8a8e3 100644
--- a/decidim-conferences/app/views/decidim/conferences/conferences/show.html.erb
+++ b/decidim-conferences/app/views/decidim/conferences/conferences/show.html.erb
@@ -58,7 +58,7 @@ edit_link(
         <% if current_participatory_space.registrations_enabled? %>
           <% if current_participatory_space.has_registration_for?(current_user) %>
             <%= link_to t("decidim.conferences.conferences.show.manage_registration"), decidim_conferences.conference_registration_types_path(current_participatory_space), class: "button button__lg button__primary" %>
-          <% else %>
+          <% elsif current_participatory_space.has_published_registration_types? %>
             <%= link_to t("decidim.conferences.conferences.show.register"), decidim_conferences.conference_registration_types_path(current_participatory_space), class: "button button__lg button__secondary" %>
           <% end %>
         <% end %>
@@ -85,7 +85,9 @@ edit_link(
 
     <% if current_participatory_space.registrations_enabled? %>
       <section class="content-block">
-        <h2 class="h2 decorator"><%= t("decidim.conferences.conferences.show.register") %></h2>
+        <% if current_participatory_space.has_published_registration_types? %>
+          <h2 class="h2 decorator"><%= t("decidim.conferences.conferences.show.register") %></h2>
+        <% end %>
         <% if current_user.present? %>
           <div class="conference__box">
             <div>
@@ -96,7 +98,7 @@ edit_link(
             <div>
               <% if current_participatory_space.has_registration_for?(current_user) %>
                 <%= link_to t("decidim.conferences.conferences.show.manage_registration"), decidim_conferences.conference_registration_types_path(current_participatory_space), class: "button button__lg button__primary" %>
-              <% else %>
+              <% elsif current_participatory_space.has_published_registration_types? %>
                 <%= link_to t("decidim.conferences.conferences.show.register"), decidim_conferences.conference_registration_types_path(current_participatory_space), class: "button button__lg button__secondary" %>
               <% end %>
             </div>
diff --git a/decidim-conferences/spec/controllers/registration_types_controller_spec.rb b/decidim-conferences/spec/controllers/registration_types_controller_spec.rb
new file mode 100644
index 000000000000..c2c5bdd3d7c2
--- /dev/null
+++ b/decidim-conferences/spec/controllers/registration_types_controller_spec.rb
@@ -0,0 +1,59 @@
+# frozen_string_literal: true
+
+require "spec_helper"
+
+module Decidim
+  module Conferences
+    describe RegistrationTypesController do
+      routes { Decidim::Conferences::Engine.routes }
+
+      let(:organization) { create(:organization) }
+      let!(:conference) do
+        create(
+          :conference,
+          :published,
+          registrations_enabled:,
+          organization:
+        )
+      end
+      let(:registrations_enabled) { true }
+      let(:registration_types_count) { 5 }
+      let!(:registration_types) do
+        create_list(:registration_type, registration_types_count, conference:)
+      end
+
+      before do
+        request.env["decidim.current_organization"] = organization
+      end
+
+      describe "index" do
+        context "when registration_types is present" do
+          it "does not raise an error" do
+            get :index, params: { conference_slug: conference.slug }
+            assert_response :success
+          end
+        end
+
+        context "when registration_types is empty" do
+          let(:registration_types) { [] }
+
+          context "and current_participatory_space registrations is enabled" do
+            it "does raise an error" do
+              expect { get :index, params: { conference_slug: conference.slug } }
+                .to raise_error(ActionController::RoutingError)
+            end
+          end
+
+          context "and current_participatory_space registrations is disabled" do
+            let(:registrations_enabled) { false }
+
+            it "does not raise an error" do
+              get :index, params: { conference_slug: conference.slug }
+              assert_response :success
+            end
+          end
+        end
+      end
+    end
+  end
+end
diff --git a/decidim-conferences/spec/models/decidim/conference_spec.rb b/decidim-conferences/spec/models/decidim/conference_spec.rb
index a72a0c06678c..f3797a4748b4 100644
--- a/decidim-conferences/spec/models/decidim/conference_spec.rb
+++ b/decidim-conferences/spec/models/decidim/conference_spec.rb
@@ -28,5 +28,29 @@ module Decidim
 
       it { is_expected.to be_valid }
     end
+
+    describe "#has_published_registration_types?" do
+      subject { conference.has_published_registration_types? }
+
+      context "when conference has no registration type" do
+        it { is_expected.to be_falsey }
+      end
+
+      context "when conference has registration types" do
+        let!(:registration_types) do
+          create_list(:registration_type, 5, conference:)
+        end
+
+        it { is_expected.to be_truthy }
+
+        context "and the registration types are unpublished" do
+          let!(:registration_types) do
+            create_list(:registration_type, 5, :unpublished, conference:)
+          end
+
+          it { is_expected.to be_falsey }
+        end
+      end
+    end
   end
 end
diff --git a/decidim-conferences/spec/system/conference_registrations_spec.rb b/decidim-conferences/spec/system/conference_registrations_spec.rb
index 04e6cddd372b..1cf9cee023d2 100644
--- a/decidim-conferences/spec/system/conference_registrations_spec.rb
+++ b/decidim-conferences/spec/system/conference_registrations_spec.rb
@@ -127,6 +127,50 @@ def visit_conference_registration_type
         expect(page).to have_css("button[disabled]", text: "Registration", count: 4)
       end
     end
+
+    context "and there are published registrations types" do
+      it "allows to register" do
+        visit_conference
+        within ".conference__hero" do
+          expect(page).to have_content "Register"
+        end
+        within ".conference__content-block" do
+          expect(page).to have_content "Register"
+          click_on "Register"
+        end
+        expect(page).to have_content "CHOOSE YOUR REGISTRATION OPTION:"
+      end
+    end
+
+    context "and there are unpublished registrations types" do
+      let!(:registration_types) do
+        create_list(:registration_type, 5, :unpublished, conference:)
+      end
+
+      it "does not show the register button" do
+        visit_conference
+        within ".conference__hero" do
+          expect(page).to have_no_content "Register"
+        end
+        within ".conference__content-block" do
+          expect(page).to have_no_content "Register"
+        end
+      end
+    end
+
+    context "and there are no registrations types" do
+      let(:registration_types) { [] }
+
+      it "does not show the register button" do
+        visit_conference
+        within ".conference__hero" do
+          expect(page).to have_no_content "Register"
+        end
+        within ".conference__content-block" do
+          expect(page).to have_no_content "Register"
+        end
+      end
+    end
   end
 
   context "and the user is going to the conference" do