diff --git a/common/Makefile b/common/Makefile
index 4a36673..943da5e 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -45,7 +45,7 @@
 	  env_nand.o env_dataflash.o env_flash.o env_eeprom.o env_nvram.o env_nowhere.o exports.o \
 	  flash.o fpga.o \
 	  hush.o kgdb.o lists.o lynxkdi.o memsize.o miiphybb.o miiphyutil.o \
-	  s_record.o soft_i2c.o soft_spi.o spartan2.o \
+	  s_record.o serial.o soft_i2c.o soft_spi.o spartan2.o \
 	  usb.o usb_kbd.o usb_storage.o \
 	  virtex2.o xilinx.o circbuf.o