diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile
index dfc22a4..afaddea 100644
--- a/drivers/serial/Makefile
+++ b/drivers/serial/Makefile
@@ -37,7 +37,7 @@
 COBJS-$(CONFIG_DRIVER_S3C4510_UART) += s3c4510b_uart.o
 COBJS-$(CONFIG_S3C64XX) += s3c64xx.o
 COBJS-$(CONFIG_S5P) += serial_s5p.o
-COBJS-$(CONFIG_SYS_NS16550_SERIAL) += serial.o
+COBJS-$(CONFIG_SYS_NS16550_SERIAL) += serial_ns16550.o
 COBJS-$(CONFIG_CLPS7111_SERIAL) += serial_clps7111.o
 COBJS-$(CONFIG_IMX_SERIAL) += serial_imx.o
 COBJS-$(CONFIG_IXP_SERIAL) += serial_ixp.o