diff --git a/app/assets/javascripts/notes/constants.js b/app/assets/javascripts/notes/constants.js
index 282bf93a5741c4348bef88fe69fe440873fdabe8..10ed44ecbdf56be6db687b032369dbe3b8f3c3a5 100644
--- a/app/assets/javascripts/notes/constants.js
+++ b/app/assets/javascripts/notes/constants.js
@@ -98,7 +98,7 @@ export const MR_FILTER_OPTIONS = [
   {
     text: __('Edits'),
     value: 'edits',
-    systemNoteIcons: ['pencil', 'task-done'],
+    systemNoteIcons: ['pencil', 'todo-done'],
   },
   {
     text: __('Labels'),
diff --git a/app/assets/javascripts/work_items_hierarchy/constants.js b/app/assets/javascripts/work_items_hierarchy/constants.js
index c14fe67af4dec013f44d8c3e4edf36339fd954ed..b4dcd2fd24b3807f31a3252cb493d94d77d94e72 100644
--- a/app/assets/javascripts/work_items_hierarchy/constants.js
+++ b/app/assets/javascripts/work_items_hierarchy/constants.js
@@ -28,7 +28,7 @@ export const workItemTypes = {
   },
   TASK: {
     title: __('Task'),
-    icon: 'task-done',
+    icon: 'todo-done',
     color: '#217645',
     backgroundColor: '#C3E6CD',
     isWorkItem: true,
diff --git a/app/helpers/system_note_helper.rb b/app/helpers/system_note_helper.rb
index 1b06283571bcffdefd51230af7665cb71ac77a81..d0b1b49812e151a2a307717e3cee0ea502677583 100644
--- a/app/helpers/system_note_helper.rb
+++ b/app/helpers/system_note_helper.rb
@@ -15,7 +15,7 @@ module SystemNoteHelper
     'assignee' => 'user',
     'reviewer' => 'user',
     'title' => 'pencil',
-    'task' => 'task-done',
+    'task' => 'todo-done',
     'label' => 'label',
     'cross_reference' => 'comment-dots',
     'branch' => 'fork',