diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile
index 927faee0362e..e49808ab4b02 100644
--- a/drivers/serial/Makefile
+++ b/drivers/serial/Makefile
@@ -54,5 +54,5 @@ obj-$(CONFIG_SERIAL_TXX9) += serial_txx9.o
 obj-$(CONFIG_SERIAL_VR41XX) += vr41xx_siu.o
 obj-$(CONFIG_SERIAL_SGI_IOC4) += ioc4_serial.o
 obj-$(CONFIG_SERIAL_SGI_IOC3) += ioc3_serial.o
-obj-$(CONFIG_SERIAL_AT91) += at91_serial.o
+obj-$(CONFIG_SERIAL_AT91) += atmel_serial.o
 obj-$(CONFIG_SERIAL_NETX) += netx-serial.o
diff --git a/drivers/serial/at91_serial.c b/drivers/serial/atmel_serial.c
similarity index 100%
rename from drivers/serial/at91_serial.c
rename to drivers/serial/atmel_serial.c