diff --git a/drivers/timer/Makefile b/drivers/timer/Makefile
index f351fbb..a4b1a48 100644
--- a/drivers/timer/Makefile
+++ b/drivers/timer/Makefile
@@ -9,3 +9,4 @@
 obj-$(CONFIG_SANDBOX_TIMER)	+= sandbox_timer.o
 obj-$(CONFIG_X86_TSC_TIMER)	+= tsc_timer.o
 obj-$(CONFIG_OMAP_TIMER)	+= omap-timer.o
+obj-$(CONFIG_AST_TIMER)	+= ast_timer.o