diff --git a/sys/compat/freebsd32/syscalls.master b/sys/compat/freebsd32/syscalls.master
index f94cb83104ab..1026cf154031 100644
--- a/sys/compat/freebsd32/syscalls.master
+++ b/sys/compat/freebsd32/syscalls.master
@@ -743,3 +743,4 @@
 452	AUE_NULL	UNIMPL	setaudit_addr
 453	AUE_NULL	UNIMPL	auditctl
 454	AUE_NULL	UNIMPL	_umtx_op
+463	AUE_NULL	MSTD	{ int abort2(const char *why, int nargs, void **args); }
diff --git a/sys/kern/syscalls.master b/sys/kern/syscalls.master
index 3fa62ba41067..a11bbda99019 100644
--- a/sys/kern/syscalls.master
+++ b/sys/kern/syscalls.master
@@ -816,5 +816,6 @@
 461	AUE_NULL	MNOSTD	{ int mq_notify(mqd_t mqd,		\
 				    const struct sigevent *sigev); }
 462	AUE_NULL	MNOSTD	{ int mq_unlink(const char *path); }
+463	AUE_NULL	MSTD	{ int abort2(const char *why, int nargs, void **args); }
 ; Please copy any additions and changes to the following compatability tables:
 ; sys/compat/freebsd32/syscalls.master