diff --git a/common/Makefile b/common/Makefile
index 596fef3..93e3963 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -142,6 +142,7 @@
 # others
 COBJS-$(CONFIG_DDR_SPD) += ddr_spd.o
 COBJS-$(CONFIG_CMD_DOC) += docecc.o
+COBJS-$(CONFIG_CONSOLE_MUX) += iomux.o
 COBJS-y += flash.o
 COBJS-y += kgdb.o
 COBJS-$(CONFIG_LCD) += lcd.o