diff --git a/sys/modules/acpi/Makefile.inc b/sys/modules/acpi/Makefile.inc
new file mode 100644
index 00000000000..265f86d1ed5
--- /dev/null
+++ b/sys/modules/acpi/Makefile.inc
@@ -0,0 +1,3 @@
+# $FreeBSD$
+
+.include "../Makefile.inc"