diff --git a/app/views/projects/merge_requests/_form.html.haml b/app/views/projects/merge_requests/_form.html.haml
index 3e4ab09c6d4..1e6724fc92b 100644
--- a/app/views/projects/merge_requests/_form.html.haml
+++ b/app/views/projects/merge_requests/_form.html.haml
@@ -1,4 +1,4 @@
-= form_for [@project.namespace.becomes(Namespace), @project, @merge_request], html: { class: 'merge-request-form form-horizontal gfm-form js-requires-input' } do |f|
+= form_for [@project.namespace.becomes(Namespace), @project, @merge_request], html: { class: 'merge-request-form form-horizontal gfm-form js-requires-input js-quick-submit' } do |f|
   = render 'shared/issuable/form', f: f, issuable: @merge_request
 
 :javascript
diff --git a/spec/features/merge_requests/edit_mr_spec.rb b/spec/features/merge_requests/edit_mr_spec.rb
new file mode 100644
index 00000000000..9e007ab7635
--- /dev/null
+++ b/spec/features/merge_requests/edit_mr_spec.rb
@@ -0,0 +1,21 @@
+require 'spec_helper'
+
+feature 'Edit Merge Request', feature: true do
+  let(:user) { create(:user) }
+  let(:project) { create(:project, :public) }
+  let(:merge_request) { create(:merge_request, :with_diffs, source_project: project) }
+
+  before do
+    project.team << [user, :master]
+
+    login_as user
+
+    visit edit_namespace_project_merge_request_path(project.namespace, project, merge_request)
+  end
+
+  context 'editing a MR' do
+    it 'form should have class js-quick-submit' do
+      expect(page).to have_selector('.js-quick-submit')
+    end
+  end
+end