diff --git a/libc/arch-x86/syscalls/writev.S b/libc/arch-x86/syscalls/writev.S
index 53d3731..0757a44 100644
--- a/libc/arch-x86/syscalls/writev.S
+++ b/libc/arch-x86/syscalls/writev.S
@@ -1,12 +1,8 @@
 /* autogenerated by gensyscalls.py */
+#include <machine/asm.h>
 #include <sys/linux-syscalls.h>
 
-    .text
-    .type writev, @function
-    .globl writev
-    .align 4
-
-writev:
+ENTRY(writev)
     pushl   %ebx
     pushl   %ecx
     pushl   %edx
@@ -27,3 +23,4 @@
     popl    %ecx
     popl    %ebx
     ret
+END(writev)