diff --git a/libc/arch-x86/syscalls/dup2.S b/libc/arch-x86/syscalls/dup2.S
index d6cee81..3e0dd38 100644
--- a/libc/arch-x86/syscalls/dup2.S
+++ b/libc/arch-x86/syscalls/dup2.S
@@ -1,7 +1,7 @@
 /* autogenerated by gensyscalls.py */
+#include <asm/unistd.h>
 #include <linux/err.h>
 #include <machine/asm.h>
-#include <asm/unistd.h>
 
 ENTRY(dup2)
     pushl   %ebx