diff --git a/libc/arch-sh/syscalls.mk b/libc/arch-sh/syscalls.mk
index ddae8d3..b690bbf 100644
--- a/libc/arch-sh/syscalls.mk
+++ b/libc/arch-sh/syscalls.mk
@@ -69,6 +69,7 @@
 syscall_src += arch-sh/syscalls/flock.S
 syscall_src += arch-sh/syscalls/fchmod.S
 syscall_src += arch-sh/syscalls/dup.S
+syscall_src += arch-sh/syscalls/pipe2.S
 syscall_src += arch-sh/syscalls/dup2.S
 syscall_src += arch-sh/syscalls/select.S
 syscall_src += arch-sh/syscalls/ftruncate.S