diff --git a/libc/kernel/tools/defaults.py b/libc/kernel/tools/defaults.py
index 87adcd0..d5577da 100644
--- a/libc/kernel/tools/defaults.py
+++ b/libc/kernel/tools/defaults.py
@@ -59,6 +59,9 @@
     "ARG_MAX": "_KERNEL_ARG_MAX",
     # The kernel usage of __unused for unused struct fields conflicts with the macro defined in <sys/cdefs.h>.
     "__unused": "__linux_unused",
+    # The kernel usage of C++ keywords causes problems for C++ code so rename.
+    "private": "__linux_private",
+    "virtual": "__linux_virtual",
     # The non-64 stuff is legacy; msqid64_ds/ipc64_perm is what userspace wants.
     "msqid_ds": "__kernel_legacy_msqid_ds",
     "semid_ds": "__kernel_legacy_semid_ds",