diff --git a/libc/arch-x86/syscalls.mk b/libc/arch-x86/syscalls.mk
index 11573de..7180cf2 100644
--- a/libc/arch-x86/syscalls.mk
+++ b/libc/arch-x86/syscalls.mk
@@ -88,6 +88,7 @@
 syscall_src += arch-x86/syscalls/__fcntl64.S
 syscall_src += arch-x86/syscalls/__fstatfs64.S
 syscall_src += arch-x86/syscalls/sendfile.S
+syscall_src += arch-x86/syscalls/sendfile64.S
 syscall_src += arch-x86/syscalls/fstatat.S
 syscall_src += arch-x86/syscalls/mkdirat.S
 syscall_src += arch-x86/syscalls/fchownat.S
@@ -120,6 +121,7 @@
 syscall_src += arch-x86/syscalls/symlink.S
 syscall_src += arch-x86/syscalls/fchdir.S
 syscall_src += arch-x86/syscalls/truncate.S
+syscall_src += arch-x86/syscalls/truncate64.S
 syscall_src += arch-x86/syscalls/setxattr.S
 syscall_src += arch-x86/syscalls/lsetxattr.S
 syscall_src += arch-x86/syscalls/getxattr.S