diff --git a/private/security_classes b/private/security_classes
index 3e9bff0..200b030 100644
--- a/private/security_classes
+++ b/private/security_classes
@@ -15,6 +15,7 @@
 # file-related classes
 class filesystem
 class file
+class anon_inode
 class dir
 class fd
 class lnk_file