diff --git a/chrome/browser/ui/views/autofill/autofill_popup_view_native_views.cc b/chrome/browser/ui/views/autofill/autofill_popup_view_native_views.cc
index 9de17f6835191..15c6bf9b8e625 100644
--- a/chrome/browser/ui/views/autofill/autofill_popup_view_native_views.cc
+++ b/chrome/browser/ui/views/autofill/autofill_popup_view_native_views.cc
@@ -424,6 +424,8 @@ void AutofillPopupSeparatorView::CreateContent() {
       /*bottom=*/0,
       /*right=*/0));
   AddChildView(separator);
+
+  SetBackground(CreateBackground());
 }
 
 void AutofillPopupSeparatorView::RefreshStyle() {