diff --git a/frontend/app/views/collection_management/_show.html.erb b/frontend/app/views/collection_management/_show.html.erb
index a16602b9c6..cd283dbb62 100644
--- a/frontend/app/views/collection_management/_show.html.erb
+++ b/frontend/app/views/collection_management/_show.html.erb
@@ -7,7 +7,7 @@
   <div class="details my-3" id="<%= section_id %>_accordion">
     <div class="card">
       <div class="card-header panel-heading">
-        <div class="row collapsed accordion-toggle" data-toggle="collapse" data-parent="#<%= section_id %>_accordion" data-target="#<%= section_id %>_collection_management" aria-expanded="false" aria-controls="<%= section_id %>_collection_management">
+        <button type="button" class="row collapsed accordion-toggle" data-toggle="collapse" data-parent="#<%= section_id %>_accordion" data-target="#<%= section_id %>_collection_management" aria-expanded="false" aria-controls="<%= section_id %>_collection_management">
           <div class="col-md-1">
             <span class="glyphicon"></span>
           </div>
@@ -15,7 +15,7 @@
             <%= t("collection_management.processing_priority") %>:
             <strong><%= t("enumerations.collection_management_processing_priority.#{collection_management['processing_priority'] || 'none'}", :default => collection_management['processing_priority']) %></strong>
           </div>
-        </div>
+        </button>
       </div>
       <div id="<%= section_id %>_collection_management" class="collapse">
         <%= read_only_view(collection_management) %>
diff --git a/frontend/spec/features/collection_management_spec.rb b/frontend/spec/features/collection_management_spec.rb
index 1ec7fa4dbe..ff0c91f048 100644
--- a/frontend/spec/features/collection_management_spec.rb
+++ b/frontend/spec/features/collection_management_spec.rb
@@ -23,6 +23,30 @@
     expect(page).to have_text 'No records found'
   end
 
+  it 'provides a keyboard-operable accordion control on the accession show page' do
+    accession = create(
+      :accession,
+      collection_management: {
+        "processing_priority" => "high"
+      }
+    )
+
+    begin
+      visit "/accessions/#{accession.id}"
+
+      within '#accession_collection_management_' do
+        toggle = find('.accordion-toggle')
+        expect(toggle.tag_name).to eq('button')
+        expect(toggle[:type]).to eq('button')
+        expect(toggle[:'data-target']).to eq('#accession_collection_management__collection_management')
+        expect(toggle[:'aria-controls']).to eq('accession_collection_management__collection_management')
+      end
+    ensure
+      accession.delete
+      run_index_round
+    end
+  end
+
   it 'is browseable even when its linked accession has no title' do
     now = Time.now.to_i