diff --git a/browser/ui/webui/brave_webui_source.cc b/browser/ui/webui/brave_webui_source.cc
index 3eba3c07eca6..6844ebfa561e 100644
--- a/browser/ui/webui/brave_webui_source.cc
+++ b/browser/ui/webui/brave_webui_source.cc
@@ -79,11 +79,11 @@ void CustomizeWebUIHTMLSource(const std::string &name,
         { "ntp-14.webp", IDR_BRAVE_NEW_TAB_BACKGROUND14 },
         { "ntp-15.webp", IDR_BRAVE_NEW_TAB_BACKGROUND15 },
         { "ntp-16.webp", IDR_BRAVE_NEW_TAB_BACKGROUND16 },
-        { "ntp-dummy-brandedwallpaper/wallpaper1.jpg",
+        { "ntp-dummy-brandedwallpaper/wallpaper-0.jpg",
             IDR_BRAVE_NEW_TAB_DUMMY_BRANDED_WALLPAPER_BG_1 },
-        { "ntp-dummy-brandedwallpaper/wallpaper2.jpg",
+        { "ntp-dummy-brandedwallpaper/wallpaper-1.jpg",
             IDR_BRAVE_NEW_TAB_DUMMY_BRANDED_WALLPAPER_BG_2 },
-        { "ntp-dummy-brandedwallpaper/wallpaper3.jpg",
+        { "ntp-dummy-brandedwallpaper/wallpaper-2.jpg",
             IDR_BRAVE_NEW_TAB_DUMMY_BRANDED_WALLPAPER_BG_3 },
         { "ntp-dummy-brandedwallpaper/logo.png",
             IDR_BRAVE_NEW_TAB_DUMMY_BRANDED_WALLPAPER_LOGO },