diff --git a/libc/arch-x86/bionic/vfork.S b/libc/arch-x86/bionic/vfork.S
index ffa6b16..6c02910 100644
--- a/libc/arch-x86/bionic/vfork.S
+++ b/libc/arch-x86/bionic/vfork.S
@@ -38,7 +38,7 @@
   jb      1f
   negl    %eax
   pushl   %eax
-  call    __set_errno
+  call    __set_errno_internal
 1:
   jmp     *%ecx  // Jump to the stored return address.
 END(vfork)