diff --git a/libc/arch-arm64/syscalls/setns.S b/libc/arch-arm64/syscalls/setns.S
index 615f888..68c32da 100644
--- a/libc/arch-arm64/syscalls/setns.S
+++ b/libc/arch-arm64/syscalls/setns.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setns)
     mov     x8, __NR_setns
     svc     #0