diff --git a/libc/arch-x86/syscalls/futex.S b/libc/arch-x86/syscalls/futex.S
index ac51316..f72be1b 100644
--- a/libc/arch-x86/syscalls/futex.S
+++ b/libc/arch-x86/syscalls/futex.S
@@ -1,12 +1,8 @@
 /* autogenerated by gensyscalls.py */
+#include <machine/asm.h>
 #include <sys/linux-syscalls.h>
 
-    .text
-    .type futex, @function
-    .globl futex
-    .align 4
-
-futex:
+ENTRY(futex)
     pushl   %ebx
     pushl   %ecx
     pushl   %edx
@@ -36,3 +32,4 @@
     popl    %ecx
     popl    %ebx
     ret
+END(futex)