diff --git a/ntpd/ntp_sandbox.c b/ntpd/ntp_sandbox.c
index 4e5ceaa36..b758f7980 100644
--- a/ntpd/ntp_sandbox.c
+++ b/ntpd/ntp_sandbox.c
@@ -309,6 +309,7 @@ int scmp_sc[] = {
 	SCMP_SYS(connect),
 	SCMP_SYS(exit),
 	SCMP_SYS(exit_group),
+	SCMP_SYS(faccessat),
 	SCMP_SYS(fcntl),
 	SCMP_SYS(fstat),
 	SCMP_SYS(fsync),
@@ -334,6 +335,7 @@ int scmp_sc[] = {
 	SCMP_SYS(listen),
 	SCMP_SYS(lseek),
 	SCMP_SYS(munmap),
+	SCMP_SYS(newfstatat),
 	SCMP_SYS(open),
 #ifdef __NR_openat
 	SCMP_SYS(openat),	/* SUSE */