diff --git a/app/assets/stylesheets/pages/notes.scss b/app/assets/stylesheets/pages/notes.scss
index d051db96f3101e578ec85fd0f3206ac29c44a6b4..0f8a51e29e65772111f2a4ce42dcc38aa38b0175 100644
--- a/app/assets/stylesheets/pages/notes.scss
+++ b/app/assets/stylesheets/pages/notes.scss
@@ -1160,3 +1160,11 @@ $system-note-icon-m-left: $avatar-m-left + $icon-size-diff / $avatar-m-ratio;
     background: var(--gray-50, $gray-50);
   }
 }
+
+// Timeline avatars
+
+// stylelint-disable-next-line gitlab/no-gl-class
+.timeline-avatar .gl-avatar-link {
+  @apply gl-bg-default;
+  border-radius: 50%;
+}