diff --git a/arch/alpha/kernel/syscalls/syscall.tbl b/arch/alpha/kernel/syscalls/syscall.tbl
index b1865f9bb31e..b68f1f56b836 100644
--- a/arch/alpha/kernel/syscalls/syscall.tbl
+++ b/arch/alpha/kernel/syscalls/syscall.tbl
@@ -492,6 +492,7 @@
 560	common	set_mempolicy_home_node		sys_ni_syscall
 561	common	cachestat			sys_cachestat
 562	common	fchmodat2			sys_fchmodat2
-563	common	futex_wake			sys_futex_wake
-564	common	futex_wait			sys_futex_wait
-565	common	futex_requeue			sys_futex_requeue
+# 563 reserved for map_shadow_stack
+564	common	futex_wake			sys_futex_wake
+565	common	futex_wait			sys_futex_wait
+566	common	futex_requeue			sys_futex_requeue