diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile
index e5ee611..8c7f148 100644
--- a/drivers/rtc/Makefile
+++ b/drivers/rtc/Makefile
@@ -50,6 +50,7 @@
 COBJS-y += pcf8563.o
 COBJS-y += s3c24x0_rtc.o
 COBJS-y += rs5c372.o
+COBJS-y += rx8025.o
 COBJS-y += mcfrtc.o
 COBJS-y += x1205.o