diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile
index 5c067fd12b..57b39dce63 100644
--- a/sysdeps/unix/sysv/linux/Makefile
+++ b/sysdeps/unix/sysv/linux/Makefile
@@ -112,7 +112,7 @@ tests += tst-clone tst-clone2 tst-clone3 tst-fanotify tst-personality \
tst-rlimit-infinity tst-ofdlocks tst-gettid tst-gettid-kill \
tst-tgkill tst-sysvsem-linux tst-sysvmsg-linux tst-sysvshm-linux \
tst-timerfd tst-ppoll tst-futimens tst-utime tst-utimes \
- tst-clock_adjtime tst-adjtimex
+ tst-clock_adjtime tst-adjtimex tst-ntp_adjtime
tests-y2038 += \
tst-futimens-y2038 \
diff --git a/sysdeps/unix/sysv/linux/tst-ntp_adjtime.c b/sysdeps/unix/sysv/linux/tst-ntp_adjtime.c
new file mode 100644
index 0000000000..11066048dc
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/tst-ntp_adjtime.c
@@ -0,0 +1,23 @@
+/* Test for ntp_adjtime.
+ Copyright (C) 2021 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ . */
+
+#include
+#define TST_ADJTIME_SYSCALL ntp_adjtime
+#define TST_ADJTIME_ARGS (&delta)
+
+#include "tst-clock_adjtime.c"