diff --git a/board/freescale/mpc8555cds/Makefile b/board/freescale/mpc8555cds/Makefile
index 98f1530..c19a527 100644
--- a/board/freescale/mpc8555cds/Makefile
+++ b/board/freescale/mpc8555cds/Makefile
@@ -27,6 +27,7 @@
 LIB	= $(obj)lib$(BOARD).a
 
 COBJS-y	+= $(BOARD).o
+COBJS-y	+= ddr.o
 COBJS-y	+= law.o
 COBJS-y	+= tlb.o