diff --git a/board/keymile/km8xx/Makefile b/board/keymile/km8xx/Makefile
index a6f3241..abb9ef9 100644
--- a/board/keymile/km8xx/Makefile
+++ b/board/keymile/km8xx/Makefile
@@ -26,7 +26,7 @@
 $(shell mkdir -p $(obj)../common)
 endif
 
-LIB	= $(obj)lib$(BOARD).a
+LIB	= $(obj)lib$(BOARD).o
 
 COBJS	= $(BOARD).o ../common/common.o ../common/keymile_hdlc_enet.o \
 		km8xx_hdlc_enet.o
@@ -36,7 +36,7 @@
 SOBJS	:= $(addprefix $(obj),$(SOBJS))
 
 $(LIB):	$(obj).depend $(OBJS)
-	$(AR) $(ARFLAGS) $@ $(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
 
 #########################################################################