diff --git a/libc/arch-x86_64/syscalls/sendto.S b/libc/arch-x86_64/syscalls/sendto.S
index bfe4636..f8cc149 100644
--- a/libc/arch-x86_64/syscalls/sendto.S
+++ b/libc/arch-x86_64/syscalls/sendto.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sendto)
     movq    %rcx, %r10
     movl    $__NR_sendto, %eax