diff --git a/ui/file_manager/file_manager/BUILD.gn b/ui/file_manager/file_manager/BUILD.gn
index 3278816..764af65 100644
--- a/ui/file_manager/file_manager/BUILD.gn
+++ b/ui/file_manager/file_manager/BUILD.gn
@@ -47,6 +47,7 @@
     "foreground/css/combobutton.css",
     "foreground/css/common.css",
     "foreground/css/file_manager.css",
+    "foreground/css/file_manager_gm3.css",
     "foreground/css/file_status.css",
     "foreground/css/file_types.css",
     "foreground/css/list.css",