diff --git a/libc/arch-x86/syscalls/munmap.S b/libc/arch-x86/syscalls/munmap.S
index 22f3549..a62eb92 100644
--- a/libc/arch-x86/syscalls/munmap.S
+++ b/libc/arch-x86/syscalls/munmap.S
@@ -1,7 +1,7 @@
 /* autogenerated by gensyscalls.py */
 #include <linux/err.h>
 #include <machine/asm.h>
-#include <sys/linux-syscalls.h>
+#include <asm/unistd.h>
 
 ENTRY(munmap)
     pushl   %ebx