diff --git a/repos/os/lib/mk/hw_x86_64/timer.mk b/repos/os/lib/mk/hw_x86_64/timer.mk
new file mode 100644
index 000000000..36e437108
--- /dev/null
+++ b/repos/os/lib/mk/hw_x86_64/timer.mk
@@ -0,0 +1,3 @@
+INC_DIR += $(REP_DIR)/src/drivers/timer/include_pit
+
+include $(REP_DIR)/lib/mk/timer.inc