diff --git a/Userland/Libraries/LibWeb/Forward.h b/Userland/Libraries/LibWeb/Forward.h
index a0d287c239d..bc83276e464 100644
--- a/Userland/Libraries/LibWeb/Forward.h
+++ b/Userland/Libraries/LibWeb/Forward.h
@@ -325,6 +325,7 @@ struct Header;
 namespace Web::FileAPI {
 class Blob;
 class File;
+class FileList;
 }
 
 namespace Web::Geometry {