diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c
index cacf6507f690..15325ca35f1e 100644
--- a/tools/testing/selftests/seccomp/seccomp_bpf.c
+++ b/tools/testing/selftests/seccomp/seccomp_bpf.c
@@ -3154,12 +3154,15 @@ TEST(syscall_restart)
 	ret = get_syscall(_metadata, child_pid);
 #if defined(__arm__)
 	/*
-	 * FIXME:
 	 * - native ARM registers do NOT expose true syscall.
 	 * - compat ARM registers on ARM64 DO expose true syscall.
+	 * - values of utsbuf.machine include 'armv8l' or 'armb8b'
+	 *   for ARM64 running in compat mode.
 	 */
 	ASSERT_EQ(0, uname(&utsbuf));
-	if (strncmp(utsbuf.machine, "arm", 3) == 0) {
+	if ((strncmp(utsbuf.machine, "arm", 3) == 0) &&
+	    (strncmp(utsbuf.machine, "armv8l", 6) != 0) &&
+	    (strncmp(utsbuf.machine, "armv8b", 6) != 0)) {
 		EXPECT_EQ(__NR_nanosleep, ret);
 	} else
 #endif