diff --git a/libc/arch-arm64/syscalls/munlock.S b/libc/arch-arm64/syscalls/munlock.S
index 45d6d17..d2a248c 100644
--- a/libc/arch-arm64/syscalls/munlock.S
+++ b/libc/arch-arm64/syscalls/munlock.S
@@ -2,15 +2,13 @@
 
 #include <private/bionic_asm.h>
 
-    .hidden __set_errno
-
 ENTRY(munlock)
     mov     x8, __NR_munlock
     svc     #0
 
     cmn     x0, #(MAX_ERRNO + 1)
     cneg    x0, x0, hi
-    b.hi    __set_errno
+    b.hi    __set_errno_internal
 
     ret
 END(munlock)