diff --git a/board/freescale/mpc5121ads/Makefile b/board/freescale/mpc5121ads/Makefile
index 20fbf6e..cded9eb 100644
--- a/board/freescale/mpc5121ads/Makefile
+++ b/board/freescale/mpc5121ads/Makefile
@@ -25,7 +25,7 @@
 
 $(shell mkdir -p $(OBJTREE)/board/freescale/common)
 
-LIB	= $(obj)lib$(BOARD).a
+LIB	= $(obj)lib$(BOARD).o
 
 COBJS-y	:= $(BOARD).o
 
@@ -35,7 +35,7 @@
 SOBJS	:= $(addprefix $(obj),$(SOBJS))
 
 $(LIB):	$(obj).depend $(OBJS)
-	$(AR) $(ARFLAGS) $@ $(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
 
 clean:
 	rm -f $(SOBJS) $(OBJS)