diff --git a/repos/os/include/vfs/file_system.h b/repos/os/include/vfs/file_system.h
index 0f2ea8ed9..b9e5b216b 100644
--- a/repos/os/include/vfs/file_system.h
+++ b/repos/os/include/vfs/file_system.h
@@ -16,6 +16,7 @@
 
 #include <vfs/directory_service.h>
 #include <vfs/file_io_service.h>
+#include <util/xml_node.h>
 
 namespace Vfs { class File_system; }