diff --git a/board/ep7312/Makefile b/board/ep7312/Makefile
index 776a444..f2d8cf5 100644
--- a/board/ep7312/Makefile
+++ b/board/ep7312/Makefile
@@ -27,7 +27,7 @@
 
 include $(TOPDIR)/config.mk
 
-LIB	= $(obj)lib$(BOARD).a
+LIB	= $(obj)lib$(BOARD).o
 
 COBJS	:= ep7312.o flash.o
 SOBJS	:= lowlevel_init.o
@@ -37,7 +37,7 @@
 SOBJS	:= $(addprefix $(obj),$(SOBJS))
 
 $(LIB):	$(obj).depend $(OBJS) $(SOBJS)
-	$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
+	$(call cmd_link_o_target, $(OBJS) $(SOBJS))
 
 clean:
 	rm -f $(SOBJS) $(OBJS)