diff --git a/app/controllers/concerns/issuable_actions.rb b/app/controllers/concerns/issuable_actions.rb
index c925b4aada5c62ec9275a2ebaa2df886006de295..d04eb192129fe975ec7c9b28840f89964ce01982 100644
--- a/app/controllers/concerns/issuable_actions.rb
+++ b/app/controllers/concerns/issuable_actions.rb
@@ -7,6 +7,19 @@ module IssuableActions
     before_action :authorize_admin_issuable!, only: :bulk_update
   end
 
+  def permitted_keys
+    [
+      :issuable_ids,
+      :assignee_id,
+      :milestone_id,
+      :state_event,
+      :subscription_event,
+      label_ids: [],
+      add_label_ids: [],
+      remove_label_ids: []
+    ]
+  end
+
   def show
     respond_to do |format|
       format.html
@@ -140,24 +153,15 @@ module IssuableActions
   end
 
   def bulk_update_params
-    permitted_keys = [
-      :issuable_ids,
-      :assignee_id,
-      :milestone_id,
-      :state_event,
-      :subscription_event,
-      label_ids: [],
-      add_label_ids: [],
-      remove_label_ids: []
-    ]
+    permitted_keys_array = permitted_keys.dup
 
     if resource_name == 'issue'
-      permitted_keys << { assignee_ids: [] }
+      permitted_keys_array << { assignee_ids: [] }
     else
-      permitted_keys.unshift(:assignee_id)
+      permitted_keys_array.unshift(:assignee_id)
     end
 
-    params.require(:update).permit(permitted_keys)
+    params.require(:update).permit(permitted_keys_array)
   end
 
   def resource_name