diff --git a/libc/arch-mips64/syscalls/timerfd_settime.S b/libc/arch-mips64/syscalls/timerfd_settime.S
index 0aec09f..8c5994f 100644
--- a/libc/arch-mips64/syscalls/timerfd_settime.S
+++ b/libc/arch-mips64/syscalls/timerfd_settime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(timerfd_settime)
     .set push
     .set noreorder