diff --git a/kernel/sys_ni.c b/kernel/sys_ni.c
index a9a5de0..47bfa16 100644
--- a/kernel/sys_ni.c
+++ b/kernel/sys_ni.c
@@ -145,6 +145,10 @@
 cond_syscall(sys_io_cancel);
 cond_syscall(sys_io_getevents);
 cond_syscall(sys_syslog);
+cond_syscall(sys_process_vm_readv);
+cond_syscall(sys_process_vm_writev);
+cond_syscall(compat_sys_process_vm_readv);
+cond_syscall(compat_sys_process_vm_writev);
 
 /* arch-specific weak syscall entries */
 cond_syscall(sys_pciconfig_read);