diff --git a/board/csb272/Makefile b/board/csb272/Makefile
index 6d42bff..cfc8839 100644
--- a/board/csb272/Makefile
+++ b/board/csb272/Makefile
@@ -23,7 +23,7 @@
 
 include $(TOPDIR)/config.mk
 
-LIB	= $(obj)lib$(BOARD).a
+LIB	= $(obj)lib$(BOARD).o
 
 #COBJS	= $(BOARD).o flash.o
 #COBJS	= $(BOARD).o strataflash.o
@@ -36,7 +36,7 @@
 SOBJS	:= $(addprefix $(obj),$(SOBJS))
 
 $(LIB):	$(OBJS) $(SOBJS)
-	$(AR) $(ARFLAGS) $@ $^
+	$(call cmd_link_o_target, $^)
 
 clean:
 	rm -f $(SOBJS) $(OBJS)