diff --git a/decidim-meetings/spec/system/meeting_registrations_spec.rb b/decidim-meetings/spec/system/meeting_registrations_spec.rb
index 6366ffcf58..e665117f6e 100644
--- a/decidim-meetings/spec/system/meeting_registrations_spec.rb
+++ b/decidim-meetings/spec/system/meeting_registrations_spec.rb
@@ -152,6 +152,27 @@ describe "Meeting registrations" do
             end
           end
         end
+
+        context "and the device is a mobile" do
+          # Make the description really long so the button would be actually below
+          let!(:meeting) { create(:meeting, :published, description: { en: Faker::Lorem.paragraphs(number: 100).join }, component:, questionnaire:) }
+
+          before do
+            driven_by(:iphone)
+            visit_meeting
+          end
+
+          it "always show the registration sticky button" do
+            within "#dc-dialog-wrapper" do
+              click_on "Accept all"
+            end
+
+            expect(find("Register").visible?).to be_truthy
+
+            page.scroll_to(find("footer"))
+            expect(find("Register").visible?).to be_truthy
+          end
+        end
       end

       context "and the user is logged in" do