diff --git a/arch/mips/ath79/Makefile b/arch/mips/ath79/Makefile
index 42f4295..a245e36 100644
--- a/arch/mips/ath79/Makefile
+++ b/arch/mips/ath79/Makefile
@@ -23,4 +23,5 @@
 #
 # Machines
 #
+obj-$(CONFIG_ATH79_MACH_AP81)		+= mach-ap81.o
 obj-$(CONFIG_ATH79_MACH_PB44)		+= mach-pb44.o