diff --git a/etc/syscalls_linux_aarch64.md b/etc/syscalls_linux_aarch64.md
index 0060958..acb9369 100644
--- a/etc/syscalls_linux_aarch64.md
+++ b/etc/syscalls_linux_aarch64.md
@@ -163,7 +163,7 @@
 | 0xa0 (160)  | newuname                | (struct new_utsname *name)                                                                                                                 | __arm64_sys_newuname                | true        |
 | 0xa1 (161)  | sethostname             | (char *name, int len)                                                                                                                      | __arm64_sys_sethostname             | false       |
 | 0xa2 (162)  | setdomainname           | (char *name, int len)                                                                                                                      | __arm64_sys_setdomainname           | false       |
-| 0xa3 (163)  | getrlimit               | (unsigned int resource, struct rlimit *rlim)                                                                                               | __arm64_sys_getrlimit               | false       |
+| 0xa3 (163)  | getrlimit               | (unsigned int resource, struct rlimit *rlim)                                                                                               | __arm64_sys_getrlimit               | dummy       |
 | 0xa4 (164)  | setrlimit               | (unsigned int resource, struct rlimit *rlim)                                                                                               | __arm64_sys_setrlimit               | false       |
 | 0xa5 (165)  | getrusage               | (int who, struct rusage *ru)                                                                                                               | __arm64_sys_getrusage               | false       |
 | 0xa6 (166)  | umask                   | (int mask)                                                                                                                                 | __arm64_sys_umask                   | true        |
diff --git a/src/arch/arm64/exceptions/syscall.rs b/src/arch/arm64/exceptions/syscall.rs
index f27e5d1..2563633 100644
--- a/src/arch/arm64/exceptions/syscall.rs
+++ b/src/arch/arm64/exceptions/syscall.rs
@@ -209,6 +209,7 @@ pub async fn handle_syscall() {
         0x9a => sys_setpgid(arg1 as _, Pgid(arg2 as _)),
         0x9b => sys_getpgid(arg1 as _),
         0xa0 => sys_uname(TUA::from_value(arg1 as _)).await,
+        0xa3 => Err(KernelError::InvalidValue),
         0xa6 => sys_umask(arg1 as _).map_err(|e| match e {}),
         0xa9 => sys_gettimeofday(TUA::from_value(arg1 as _), TUA::from_value(arg2 as _)).await,
         0xac => sys_getpid().map_err(|e| match e {}),