diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile
index 2af3ee5cfe52a12cde5da38138924d5a4cda0238..86f855faab7d84e3e910361c75b8a500833451e6 100644
--- a/drivers/rtc/Makefile
+++ b/drivers/rtc/Makefile
@@ -32,7 +32,8 @@ COBJS-y += date.o
 COBJS-$(CONFIG_RTC_DS12887) += ds12887.o
 COBJS-$(CONFIG_RTC_DS1302) += ds1302.o
 COBJS-$(CONFIG_RTC_DS1306) += ds1306.o
-COBJS-$(CONFIG_RTC_DS1307 || CONFIG_RTC_DS1338) += ds1307.o
+COBJS-$(CONFIG_RTC_DS1307)$(CONFIG_RTC_DS1338) += ds1307.o
+COBJS-y += $(COBJS-yy)
 COBJS-$(CONFIG_RTC_DS1337) += ds1337.o
 COBJS-$(CONFIG_RTC_DS1374) += ds1374.o
 COBJS-$(CONFIG_RTC_DS1556) += ds1556.o